diff --git a/README.md b/README.md
index b5707e4..581ad8c 100644
--- a/README.md
+++ b/README.md
@@ -91,6 +91,19 @@ If for some reason, triggering on pr is not possible, you can use push.
       This message is from a push.
 ```
 
+### Override pull request number
+
+Use `number_force` to comment on a different pull request than the one that triggered the event.
+
+```yaml
+- uses: marocchino/sticky-pull-request-comment@v2
+  with:
+    number_force: 123
+    message: |
+      This comment will be posted to PR #123,
+      regardless of which PR triggered this workflow.
+```
+
 ### Read comment from a file
 
 ```yaml
@@ -217,6 +230,10 @@ For more detailed information about permissions, you can read from the link belo
 
 **Optional** Pull request number for push event. Note that this has a **lower priority** than the number of a pull_request event.
 
+### `number_force`
+
+**Optional** Pull request number for any event. Note that this has the **highest priority** and will override the number from a pull_request event.
+
 ### `owner`
 
 **Optional** Another repository owner, If not set, the current repository owner is used by default. Note that when you trying changing a repo, be aware that `GITHUB_TOKEN` should also have permission for that repository.
diff --git a/__tests__/config.test.ts b/__tests__/config.test.ts
index 9ea14fa..b44a433 100644
--- a/__tests__/config.test.ts
+++ b/__tests__/config.test.ts
@@ -1,430 +1,213 @@
-import { beforeEach, afterEach, test, expect, vi, describe } from 'vitest'
+import {afterEach, describe, expect, test, vi} from "vitest"
+import {resolve} from "node:path"
 
-const mockConfig = {
-  pullRequestNumber: 123,
-  repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-  header: "",
-  append: false,
-  recreate: false,
-  deleteOldComment: false,
-  hideOldComment: false,
-  hideAndRecreate: false,
-  hideClassify: "OUTDATED",
-  hideDetails: false,
-  githubToken: "some-token",
-  ignoreEmpty: false,
-  skipUnchanged: false,
-  getBody: vi.fn().mockResolvedValue("")
-}
+vi.mock("@actions/core", () => ({
+  getInput: vi.fn().mockReturnValue(""),
+  getBooleanInput: vi.fn().mockReturnValue(false),
+  getMultilineInput: vi.fn().mockReturnValue([]),
+  setFailed: vi.fn(),
+}))
 
-vi.mock('../src/config', () => {
-  return mockConfig
-})
+const mockContext = vi.hoisted(() => ({
+  repo: {owner: "marocchino", repo: "sticky-pull-request-comment"},
+  payload: {} as Record<string, unknown>,
+}))
 
-beforeEach(() => {
-  // Set up default environment variables for each test
-  process.env["GITHUB_REPOSITORY"] = "marocchino/stick-pull-request-comment"
-  process.env["INPUT_NUMBER"] = "123"
-  process.env["INPUT_APPEND"] = "false"
-  process.env["INPUT_RECREATE"] = "false"
-  process.env["INPUT_DELETE"] = "false"
-  process.env["INPUT_ONLY_CREATE"] = "false"
-  process.env["INPUT_ONLY_UPDATE"] = "false"
-  process.env["INPUT_HIDE"] = "false"
-  process.env["INPUT_HIDE_AND_RECREATE"] = "false"
-  process.env["INPUT_HIDE_CLASSIFY"] = "OUTDATED"
-  process.env["INPUT_HIDE_DETAILS"] = "false"
-  process.env["INPUT_GITHUB_TOKEN"] = "some-token"
-  process.env["INPUT_IGNORE_EMPTY"] = "false"
-  process.env["INPUT_SKIP_UNCHANGED"] = "false"
-  process.env["INPUT_FOLLOW_SYMBOLIC_LINKS"] = "false"
-  
-  // 모킹된 값 초기화
-  mockConfig.pullRequestNumber = 123
-  mockConfig.repo = {owner: "marocchino", repo: "stick-pull-request-comment"}
-  mockConfig.header = ""
-  mockConfig.append = false
-  mockConfig.recreate = false
-  mockConfig.deleteOldComment = false
-  mockConfig.hideOldComment = false
-  mockConfig.hideAndRecreate = false
-  mockConfig.hideClassify = "OUTDATED"
-  mockConfig.hideDetails = false
-  mockConfig.githubToken = "some-token"
-  mockConfig.ignoreEmpty = false
-  mockConfig.skipUnchanged = false
-  mockConfig.getBody.mockResolvedValue("")
-})
+vi.mock("@actions/github", () => ({
+  context: mockContext,
+}))
+
+const mockGlobCreate = vi.hoisted(() => vi.fn())
+
+vi.mock("@actions/glob", () => ({
+  create: mockGlobCreate,
+}))
 
 afterEach(() => {
-  vi.resetModules()
-  delete process.env["GITHUB_REPOSITORY"]
-  delete process.env["INPUT_OWNER"]
-  delete process.env["INPUT_REPO"]
-  delete process.env["INPUT_HEADER"]
-  delete process.env["INPUT_MESSAGE"]
-  delete process.env["INPUT_NUMBER"]
-  delete process.env["INPUT_APPEND"]
-  delete process.env["INPUT_RECREATE"]
-  delete process.env["INPUT_DELETE"]
-  delete process.env["INPUT_ONLY_CREATE"]
-  delete process.env["INPUT_ONLY_UPDATE"]
-  delete process.env["INPUT_HIDE"]
-  delete process.env["INPUT_HIDE_AND_RECREATE"]
-  delete process.env["INPUT_HIDE_CLASSIFY"]
-  delete process.env["INPUT_HIDE_DETAILS"]
-  delete process.env["INPUT_GITHUB_TOKEN"]
-  delete process.env["INPUT_PATH"]
-  delete process.env["INPUT_IGNORE_EMPTY"]
-  delete process.env["INPUT_SKIP_UNCHANGED"]
-  delete process.env["INPUT_FOLLOW_SYMBOLIC_LINKS"]
+  mockContext.payload = {}
+  mockContext.repo = {owner: "marocchino", repo: "sticky-pull-request-comment"}
+  mockGlobCreate.mockReset()
 })
 
-test("repo", async () => {
-  process.env["INPUT_OWNER"] = "jin"
-  process.env["INPUT_REPO"] = "other"
-  
-  mockConfig.repo = {owner: "jin", repo: "other"}
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "jin", repo: "other"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+async function loadConfig(
+  setup?: (mocks: {core: typeof import("@actions/core")}) => void,
+) {
+  vi.resetModules()
+  const core = await import("@actions/core")
+  // vi.resetModules clears the config module cache but not mock instances,
+  // so reset core back to default values before each test.
+  vi.mocked(core.getInput).mockReturnValue("")
+  vi.mocked(core.getBooleanInput).mockReturnValue(false)
+  vi.mocked(core.getMultilineInput).mockReturnValue([])
+  setup?.({core})
+  const config = await import("../src/config")
+  return {config, core}
+}
+
+describe("pullRequestNumber", () => {
+  test("number_force takes highest priority", async () => {
+    mockContext.payload = {pull_request: {number: 789}}
+    const {config} = await loadConfig(({core}) => {
+      vi.mocked(core.getInput).mockImplementation(name => {
+        if (name === "number_force") return "456"
+        if (name === "number") return "123"
+        return ""
+      })
+    })
+    expect(config.pullRequestNumber).toBe(456)
+  })
+
+  test("falls back to context.payload.pull_request.number", async () => {
+    mockContext.payload = {pull_request: {number: 789}}
+    const {config} = await loadConfig()
+    expect(config.pullRequestNumber).toBe(789)
+  })
+
+  test("falls back to number input", async () => {
+    const {config} = await loadConfig(({core}) => {
+      vi.mocked(core.getInput).mockImplementation(name => (name === "number" ? "123" : ""))
+    })
+    expect(config.pullRequestNumber).toBe(123)
+  })
+})
+
+describe("repo", () => {
+  test("defaults to context.repo", async () => {
+    const {config} = await loadConfig()
+    expect(config.repo).toEqual({owner: "marocchino", repo: "sticky-pull-request-comment"})
+  })
+
+  test("uses owner and repo inputs when provided", async () => {
+    const {config} = await loadConfig(({core}) => {
+      vi.mocked(core.getInput).mockImplementation(name => {
+        if (name === "owner") return "jin"
+        if (name === "repo") return "other"
+        return ""
+      })
+    })
+    expect(config.repo).toEqual({owner: "jin", repo: "other"})
   })
-  expect(await config.getBody()).toEqual("")
 })
 
 test("header", async () => {
-  process.env["INPUT_HEADER"] = "header"
-  mockConfig.header = "header"
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "header",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getInput).mockImplementation(name => (name === "header" ? "my-header" : ""))
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.header).toBe("my-header")
 })
 
 test("append", async () => {
-  process.env["INPUT_APPEND"] = "true"
-  mockConfig.append = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: true,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "append")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.append).toBe(true)
 })
 
 test("recreate", async () => {
-  process.env["INPUT_RECREATE"] = "true"
-  mockConfig.recreate = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: true,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "recreate")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.recreate).toBe(true)
 })
 
-test("delete", async () => {
-  process.env["INPUT_DELETE"] = "true"
-  mockConfig.deleteOldComment = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: true,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+test("deleteOldComment", async () => {
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "delete")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.deleteOldComment).toBe(true)
 })
 
 test("hideOldComment", async () => {
-  process.env["INPUT_HIDE"] = "true"
-  mockConfig.hideOldComment = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: true,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "hide")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.hideOldComment).toBe(true)
 })
 
 test("hideAndRecreate", async () => {
-  process.env["INPUT_HIDE_AND_RECREATE"] = "true"
-  mockConfig.hideAndRecreate = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: true,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "hide_and_recreate")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.hideAndRecreate).toBe(true)
 })
 
 test("hideClassify", async () => {
-  process.env["INPUT_HIDE_CLASSIFY"] = "OFF_TOPIC"
-  mockConfig.hideClassify = "OFF_TOPIC"
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OFF_TOPIC",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getInput).mockImplementation(name => (name === "hide_classify" ? "OFF_TOPIC" : ""))
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.hideClassify).toBe("OFF_TOPIC")
 })
 
 test("hideDetails", async () => {
-  process.env["INPUT_HIDE_DETAILS"] = "true"
-  mockConfig.hideDetails = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: true,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "hide_details")
   })
-  expect(await config.getBody()).toEqual("")
+  expect(config.hideDetails).toBe(true)
 })
 
-describe("path", () => {
-  test("when exists return content of a file", async () => {
-    process.env["INPUT_PATH"] = "./__tests__/assets/result"
-    mockConfig.getBody.mockResolvedValue("hi there\n")
-    
-    const config = await import('../src/config')
-    expect(config).toMatchObject({
-      pullRequestNumber: expect.any(Number),
-      repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-      header: "",
-      append: false,
-      recreate: false,
-      deleteOldComment: false,
-      hideOldComment: false,
-      hideAndRecreate: false,
-      hideClassify: "OUTDATED",
-      hideDetails: false,
-      githubToken: "some-token",
-      ignoreEmpty: false,
-      skipUnchanged: false
+test("ignoreEmpty", async () => {
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "ignore_empty")
+  })
+  expect(config.ignoreEmpty).toBe(true)
+})
+
+test("skipUnchanged", async () => {
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getBooleanInput).mockImplementation(name => name === "skip_unchanged")
+  })
+  expect(config.skipUnchanged).toBe(true)
+})
+
+test("githubToken", async () => {
+  const {config} = await loadConfig(({core}) => {
+    vi.mocked(core.getInput).mockImplementation(name => (name === "GITHUB_TOKEN" ? "my-token" : ""))
+  })
+  expect(config.githubToken).toBe("my-token")
+})
+
+describe("getBody", () => {
+  test("returns message when no path is provided", async () => {
+    const {config, core} = await loadConfig()
+    vi.mocked(core.getInput).mockImplementation(name => (name === "message" ? "hello there" : ""))
+    expect(await config.getBody()).toBe("hello there")
+  })
+
+  test("returns file content when path exists", async () => {
+    const {config, core} = await loadConfig()
+    vi.mocked(core.getMultilineInput).mockReturnValue(["__tests__/assets/result"])
+    mockGlobCreate.mockResolvedValue({
+      glob: vi.fn().mockResolvedValue([resolve("__tests__/assets/result")]),
     })
-    expect(await config.getBody()).toEqual("hi there\n")
+    expect(await config.getBody()).toBe("hi there\n")
   })
 
-  test("glob match files", async () => {
-    process.env["INPUT_PATH"] = "./__tests__/assets/*"
-    mockConfig.getBody.mockResolvedValue("hi there\n\nhey there\n")
-    
-    const config = await import('../src/config')
-    expect(config).toMatchObject({
-      pullRequestNumber: expect.any(Number),
-      repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-      header: "",
-      append: false,
-      recreate: false,
-      deleteOldComment: false,
-      hideOldComment: false,
-      hideAndRecreate: false,
-      hideClassify: "OUTDATED",
-      hideDetails: false,
-      githubToken: "some-token",
-      ignoreEmpty: false,
-      skipUnchanged: false
+  test("glob matches multiple files", async () => {
+    const {config, core} = await loadConfig()
+    vi.mocked(core.getMultilineInput).mockReturnValue(["__tests__/assets/*"])
+    mockGlobCreate.mockResolvedValue({
+      glob: vi
+        .fn()
+        .mockResolvedValue([
+          resolve("__tests__/assets/result"),
+          resolve("__tests__/assets/result2"),
+        ]),
     })
-    expect(await config.getBody()).toEqual("hi there\n\nhey there\n")
+    expect(await config.getBody()).toBe("hi there\n\nhey there\n")
   })
 
-  test("when not exists return null string", async () => {
-    process.env["INPUT_PATH"] = "./__tests__/assets/not_exists"
-    mockConfig.getBody.mockResolvedValue("")
-    
-    const config = await import('../src/config')
-    expect(config).toMatchObject({
-      pullRequestNumber: expect.any(Number),
-      repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-      header: "",
-      append: false,
-      recreate: false,
-      deleteOldComment: false,
-      hideOldComment: false,
-      hideAndRecreate: false,
-      hideClassify: "OUTDATED",
-      hideDetails: false,
-      githubToken: "some-token",
-      ignoreEmpty: false,
-      skipUnchanged: false
-    })
-    expect(await config.getBody()).toEqual("")
+  test("returns empty string when path matches no files", async () => {
+    const {config, core} = await loadConfig()
+    vi.mocked(core.getMultilineInput).mockReturnValue(["__tests__/assets/not_exists"])
+    mockGlobCreate.mockResolvedValue({glob: vi.fn().mockResolvedValue([])})
+    expect(await config.getBody()).toBe("")
   })
-})
 
-test("message", async () => {
-  process.env["INPUT_MESSAGE"] = "hello there"
-  mockConfig.getBody.mockResolvedValue("hello there")
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: false
+  test("returns empty string and calls setFailed when glob throws", async () => {
+    const {config, core} = await loadConfig()
+    vi.mocked(core.getMultilineInput).mockReturnValue(["__tests__/assets/result"])
+    mockGlobCreate.mockRejectedValue(new Error("glob error"))
+    expect(await config.getBody()).toBe("")
+    expect(core.setFailed).toHaveBeenCalledWith("glob error")
   })
-  expect(await config.getBody()).toEqual("hello there")
-})
-
-test("ignore_empty", async () => {
-  process.env["INPUT_IGNORE_EMPTY"] = "true"
-  mockConfig.ignoreEmpty = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: true,
-    skipUnchanged: false
-  })
-  expect(await config.getBody()).toEqual("")
-})
-
-test("skip_unchanged", async () => {
-  process.env["INPUT_SKIP_UNCHANGED"] = "true"
-  mockConfig.skipUnchanged = true
-  
-  const config = await import('../src/config')
-  expect(config).toMatchObject({
-    pullRequestNumber: expect.any(Number),
-    repo: {owner: "marocchino", repo: "stick-pull-request-comment"},
-    header: "",
-    append: false,
-    recreate: false,
-    deleteOldComment: false,
-    hideOldComment: false,
-    hideAndRecreate: false,
-    hideClassify: "OUTDATED",
-    hideDetails: false,
-    githubToken: "some-token",
-    ignoreEmpty: false,
-    skipUnchanged: true
-  })
-  expect(await config.getBody()).toEqual("")
 })
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index 8ddc0af..1fd3be7 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -115,8 +115,9 @@ describe("run", () => {
     mockConfig.recreate = true
     const {core} = await runMain()
     expect(core.setFailed).toHaveBeenCalledWith(
-      "delete and recreate cannot be both set to true",
+      "delete and recreate cannot be set to true simultaneously",
     )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
   })
 
   test("fails when deleteOldComment and onlyCreateComment are both true", async () => {
@@ -124,8 +125,9 @@ describe("run", () => {
     mockConfig.onlyCreateComment = true
     const {core} = await runMain()
     expect(core.setFailed).toHaveBeenCalledWith(
-      "delete and only_create cannot be both set to true",
+      "delete and only_create cannot be set to true simultaneously",
     )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
   })
 
   test("fails when deleteOldComment and hideOldComment are both true", async () => {
@@ -133,8 +135,9 @@ describe("run", () => {
     mockConfig.hideOldComment = true
     const {core} = await runMain()
     expect(core.setFailed).toHaveBeenCalledWith(
-      "delete and hide cannot be both set to true",
+      "delete and hide cannot be set to true simultaneously",
     )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
   })
 
   test("fails when onlyCreateComment and onlyUpdateComment are both true", async () => {
@@ -142,8 +145,9 @@ describe("run", () => {
     mockConfig.onlyUpdateComment = true
     const {core} = await runMain()
     expect(core.setFailed).toHaveBeenCalledWith(
-      "only_create and only_update cannot be both set to true",
+      "only_create and only_update cannot be set to true simultaneously",
     )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
   })
 
   test("fails when hideOldComment and hideAndRecreate are both true", async () => {
@@ -151,8 +155,19 @@ describe("run", () => {
     mockConfig.hideAndRecreate = true
     const {core} = await runMain()
     expect(core.setFailed).toHaveBeenCalledWith(
-      "hide and hide_and_recreate cannot be both set to true",
+      "hide and hide_and_recreate cannot be set to true simultaneously",
     )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
+  })
+
+  test("fails when deleteOldComment and hideAndRecreate are both true", async () => {
+    mockConfig.deleteOldComment = true
+    mockConfig.hideAndRecreate = true
+    const {core} = await runMain()
+    expect(core.setFailed).toHaveBeenCalledWith(
+      "delete and hide_and_recreate cannot be set to true simultaneously",
+    )
+    expect(mockConfig.getBody).not.toHaveBeenCalled()
   })
 
   test("deletes previous comment when deleteOldComment is true and previous comment exists", async () => {
diff --git a/__tests__/validate.test.ts b/__tests__/validate.test.ts
new file mode 100644
index 0000000..0ece200
--- /dev/null
+++ b/__tests__/validate.test.ts
@@ -0,0 +1,85 @@
+import {describe, expect, test} from "vitest"
+import {validateBody, validateExclusiveModes} from "../src/validate"
+
+describe("validateBody", () => {
+  test("throws when body is empty and neither delete nor hide is set", () => {
+    expect(() => validateBody("", false, false)).toThrow(
+      "Either message or path input is required",
+    )
+  })
+
+  test("does not throw when body is provided", () => {
+    expect(() => validateBody("some body", false, false)).not.toThrow()
+  })
+
+  test("does not throw when body is empty but deleteOldComment is true", () => {
+    expect(() => validateBody("", true, false)).not.toThrow()
+  })
+
+  test("does not throw when body is empty but hideOldComment is true", () => {
+    expect(() => validateBody("", false, true)).not.toThrow()
+  })
+})
+
+describe("validateExclusiveModes", () => {
+  test("does not throw when no modes are enabled", () => {
+    expect(() => validateExclusiveModes(false, false, false, false, false, false)).not.toThrow()
+  })
+
+  test("does not throw when exactly one mode is enabled", () => {
+    expect(() => validateExclusiveModes(true, false, false, false, false, false)).not.toThrow()
+    expect(() => validateExclusiveModes(false, true, false, false, false, false)).not.toThrow()
+    expect(() => validateExclusiveModes(false, false, true, false, false, false)).not.toThrow()
+    expect(() => validateExclusiveModes(false, false, false, true, false, false)).not.toThrow()
+    expect(() => validateExclusiveModes(false, false, false, false, true, false)).not.toThrow()
+    expect(() => validateExclusiveModes(false, false, false, false, false, true)).not.toThrow()
+  })
+
+  test("throws when delete and recreate are both true", () => {
+    expect(() => validateExclusiveModes(true, true, false, false, false, false)).toThrow(
+      "delete and recreate cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when delete and only_create are both true", () => {
+    expect(() => validateExclusiveModes(true, false, true, false, false, false)).toThrow(
+      "delete and only_create cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when delete and only_update are both true", () => {
+    expect(() => validateExclusiveModes(true, false, false, true, false, false)).toThrow(
+      "delete and only_update cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when delete and hide are both true", () => {
+    expect(() => validateExclusiveModes(true, false, false, false, true, false)).toThrow(
+      "delete and hide cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when delete and hide_and_recreate are both true", () => {
+    expect(() => validateExclusiveModes(true, false, false, false, false, true)).toThrow(
+      "delete and hide_and_recreate cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when only_create and only_update are both true", () => {
+    expect(() => validateExclusiveModes(false, false, true, true, false, false)).toThrow(
+      "only_create and only_update cannot be set to true simultaneously",
+    )
+  })
+
+  test("throws when hide and hide_and_recreate are both true", () => {
+    expect(() => validateExclusiveModes(false, false, false, false, true, true)).toThrow(
+      "hide and hide_and_recreate cannot be set to true simultaneously",
+    )
+  })
+
+  test("uses Oxford comma when three or more modes are enabled", () => {
+    expect(() => validateExclusiveModes(true, true, true, false, false, false)).toThrow(
+      "delete, recreate, and only_create cannot be set to true simultaneously",
+    )
+  })
+})
diff --git a/action.yml b/action.yml
index bb0b430..d14ce06 100644
--- a/action.yml
+++ b/action.yml
@@ -72,6 +72,9 @@ inputs:
   number:
     description: "pull request number for push event"
     required: false
+  number_force:
+    description: "pull request number for any event"
+    required: false
   owner:
     description: "Another repo owner, If not set, the current repo owner is used by default. Note that when you trying changing a repo, be aware that GITHUB_TOKEN should also have permission for that repository."
     required: false
diff --git a/biome.json b/biome.json
index 04932cc..6d70561 100644
--- a/biome.json
+++ b/biome.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.4.6/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.4.7/schema.json",
   "files": {
     "includes": ["src/**/*.ts"]
   },
diff --git a/package-lock.json b/package-lock.json
index edf34e5..d198f40 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@octokit/graphql-schema": "^15.26.1"
       },
       "devDependencies": {
-        "@biomejs/biome": "2.4.6",
+        "@biomejs/biome": "2.4.7",
         "@rollup/plugin-commonjs": "^29.0.2",
         "@rollup/plugin-node-resolve": "^16.0.3",
         "@rollup/plugin-typescript": "^12.3.0",
@@ -98,9 +98,9 @@
       "license": "MIT"
     },
     "node_modules/@biomejs/biome": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/biome/-/biome-2.4.6.tgz",
-      "integrity": "sha512-QnHe81PMslpy3mnpL8DnO2M4S4ZnYPkjlGCLWBZT/3R9M6b5daArWMMtEfP52/n174RKnwRIf3oT8+wc9ihSfQ==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/biome/-/biome-2.4.7.tgz",
+      "integrity": "sha512-vXrgcmNGZ4lpdwZSpMf1hWw1aWS6B+SyeSYKTLrNsiUsAdSRN0J4d/7mF3ogJFbIwFFSOL3wT92Zzxia/d5/ng==",
       "dev": true,
       "license": "MIT OR Apache-2.0",
       "bin": {
@@ -114,20 +114,20 @@
         "url": "https://opencollective.com/biome"
       },
       "optionalDependencies": {
-        "@biomejs/cli-darwin-arm64": "2.4.6",
-        "@biomejs/cli-darwin-x64": "2.4.6",
-        "@biomejs/cli-linux-arm64": "2.4.6",
-        "@biomejs/cli-linux-arm64-musl": "2.4.6",
-        "@biomejs/cli-linux-x64": "2.4.6",
-        "@biomejs/cli-linux-x64-musl": "2.4.6",
-        "@biomejs/cli-win32-arm64": "2.4.6",
-        "@biomejs/cli-win32-x64": "2.4.6"
+        "@biomejs/cli-darwin-arm64": "2.4.7",
+        "@biomejs/cli-darwin-x64": "2.4.7",
+        "@biomejs/cli-linux-arm64": "2.4.7",
+        "@biomejs/cli-linux-arm64-musl": "2.4.7",
+        "@biomejs/cli-linux-x64": "2.4.7",
+        "@biomejs/cli-linux-x64-musl": "2.4.7",
+        "@biomejs/cli-win32-arm64": "2.4.7",
+        "@biomejs/cli-win32-x64": "2.4.7"
       }
     },
     "node_modules/@biomejs/cli-darwin-arm64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-arm64/-/cli-darwin-arm64-2.4.6.tgz",
-      "integrity": "sha512-NW18GSyxr+8sJIqgoGwVp5Zqm4SALH4b4gftIA0n62PTuBs6G2tHlwNAOj0Vq0KKSs7Sf88VjjmHh0O36EnzrQ==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-arm64/-/cli-darwin-arm64-2.4.7.tgz",
+      "integrity": "sha512-Oo0cF5mHzmvDmTXw8XSjhCia8K6YrZnk7aCS54+/HxyMdZMruMO3nfpDsrlar/EQWe41r1qrwKiCa2QDYHDzWA==",
       "cpu": [
         "arm64"
       ],
@@ -142,9 +142,9 @@
       }
     },
     "node_modules/@biomejs/cli-darwin-x64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-2.4.6.tgz",
-      "integrity": "sha512-4uiE/9tuI7cnjtY9b07RgS7gGyYOAfIAGeVJWEfeCnAarOAS7qVmuRyX6d7JTKw28/mt+rUzMasYeZ+0R/U1Mw==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-2.4.7.tgz",
+      "integrity": "sha512-I+cOG3sd/7HdFtvDSnF9QQPrWguUH7zrkIMMykM3PtfWU9soTcS2yRb9Myq6MHmzbeCT08D1UmY+BaiMl5CcoQ==",
       "cpu": [
         "x64"
       ],
@@ -159,9 +159,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-arm64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64/-/cli-linux-arm64-2.4.6.tgz",
-      "integrity": "sha512-kMLaI7OF5GN1Q8Doymjro1P8rVEoy7BKQALNz6fiR8IC1WKduoNyteBtJlHT7ASIL0Cx2jR6VUOBIbcB1B8pew==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64/-/cli-linux-arm64-2.4.7.tgz",
+      "integrity": "sha512-om6FugwmibzfP/6ALj5WRDVSND4H2G9X0nkI1HZpp2ySf9lW2j0X68oQSaHEnls6666oy4KDsc5RFjT4m0kV0w==",
       "cpu": [
         "arm64"
       ],
@@ -176,9 +176,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-arm64-musl": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64-musl/-/cli-linux-arm64-musl-2.4.6.tgz",
-      "integrity": "sha512-F/JdB7eN22txiTqHM5KhIVt0jVkzZwVYrdTR1O3Y4auBOQcXxHK4dxULf4z43QyZI5tsnQJrRBHZy7wwtL+B3A==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64-musl/-/cli-linux-arm64-musl-2.4.7.tgz",
+      "integrity": "sha512-I2NvM9KPb09jWml93O2/5WMfNR7Lee5Latag1JThDRMURVhPX74p9UDnyTw3Ae6cE1DgXfw7sqQgX7rkvpc0vw==",
       "cpu": [
         "arm64"
       ],
@@ -193,9 +193,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-x64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-2.4.6.tgz",
-      "integrity": "sha512-oHXmUFEoH8Lql1xfc3QkFLiC1hGR7qedv5eKNlC185or+o4/4HiaU7vYODAH3peRCfsuLr1g6v2fK9dFFOYdyw==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-2.4.7.tgz",
+      "integrity": "sha512-bV8/uo2Tj+gumnk4sUdkerWyCPRabaZdv88IpbmDWARQQoA/Q0YaqPz1a+LSEDIL7OfrnPi9Hq1Llz4ZIGyIQQ==",
       "cpu": [
         "x64"
       ],
@@ -210,9 +210,9 @@
       }
     },
     "node_modules/@biomejs/cli-linux-x64-musl": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-2.4.6.tgz",
-      "integrity": "sha512-C9s98IPDu7DYarjlZNuzJKTjVHN03RUnmHV5htvqsx6vEUXCDSJ59DNwjKVD5XYoSS4N+BYhq3RTBAL8X6svEg==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-2.4.7.tgz",
+      "integrity": "sha512-00kx4YrBMU8374zd2wHuRV5wseh0rom5HqRND+vDldJPrWwQw+mzd/d8byI9hPx926CG+vWzq6AeiT7Yi5y59g==",
       "cpu": [
         "x64"
       ],
@@ -227,9 +227,9 @@
       }
     },
     "node_modules/@biomejs/cli-win32-arm64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-2.4.6.tgz",
-      "integrity": "sha512-xzThn87Pf3YrOGTEODFGONmqXpTwUNxovQb72iaUOdcw8sBSY3+3WD8Hm9IhMYLnPi0n32s3L3NWU6+eSjfqFg==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-2.4.7.tgz",
+      "integrity": "sha512-hOUHBMlFCvDhu3WCq6vaBoG0dp0LkWxSEnEEsxxXvOa9TfT6ZBnbh72A/xBM7CBYB7WgwqboetzFEVDnMxelyw==",
       "cpu": [
         "arm64"
       ],
@@ -244,9 +244,9 @@
       }
     },
     "node_modules/@biomejs/cli-win32-x64": {
-      "version": "2.4.6",
-      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-x64/-/cli-win32-x64-2.4.6.tgz",
-      "integrity": "sha512-7++XhnsPlr1HDbor5amovPjOH6vsrFOCdp93iKXhFn6bcMUI6soodj3WWKfgEO6JosKU1W5n3uky3WW9RlRjTg==",
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-x64/-/cli-win32-x64-2.4.7.tgz",
+      "integrity": "sha512-qEpGjSkPC3qX4ycbMUthXvi9CkRq7kZpkqMY1OyhmYlYLnANnooDQ7hDerM8+0NJ+DZKVnsIc07h30XOpt7LtQ==",
       "cpu": [
         "x64"
       ],
diff --git a/package.json b/package.json
index 37eb9fb..91bb598 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "@octokit/graphql-schema": "^15.26.1"
   },
   "devDependencies": {
-    "@biomejs/biome": "2.4.6",
+    "@biomejs/biome": "2.4.7",
     "@rollup/plugin-commonjs": "^29.0.2",
     "@rollup/plugin-node-resolve": "^16.0.3",
     "@rollup/plugin-typescript": "^12.3.0",
diff --git a/src/config.ts b/src/config.ts
index 615a7e6..bc71ddf 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -5,7 +5,9 @@ import {create} from "@actions/glob"
 import type {ReportedContentClassifiers} from "@octokit/graphql-schema"
 
 export const pullRequestNumber =
-  context?.payload?.pull_request?.number || +core.getInput("number", {required: false})
+  +core.getInput("number_force", {required: false}) ||
+  context?.payload?.pull_request?.number ||
+  +core.getInput("number", {required: false})
 
 export const repo = buildRepo()
 export const header = core.getInput("header", {required: false})
diff --git a/src/main.ts b/src/main.ts
index 790bda7..65b165e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -27,6 +27,7 @@ import {
   repo,
   skipUnchanged,
 } from "./config"
+import {validateBody, validateExclusiveModes} from "./validate"
 
 async function run(): Promise<undefined> {
   if (Number.isNaN(pullRequestNumber) || pullRequestNumber < 1) {
@@ -35,6 +36,15 @@ async function run(): Promise<undefined> {
   }
 
   try {
+    validateExclusiveModes(
+      deleteOldComment,
+      recreate,
+      onlyCreateComment,
+      onlyUpdateComment,
+      hideOldComment,
+      hideAndRecreate,
+    )
+
     const body = await getBody()
 
     if (!body && ignoreEmpty) {
@@ -42,29 +52,7 @@ async function run(): Promise<undefined> {
       return
     }
 
-    if (!deleteOldComment && !hideOldComment && !body) {
-      throw new Error("Either message or path input is required")
-    }
-
-    if (deleteOldComment && recreate) {
-      throw new Error("delete and recreate cannot be both set to true")
-    }
-
-    if (deleteOldComment && onlyCreateComment) {
-      throw new Error("delete and only_create cannot be both set to true")
-    }
-
-    if (deleteOldComment && hideOldComment) {
-      throw new Error("delete and hide cannot be both set to true")
-    }
-
-    if (onlyCreateComment && onlyUpdateComment) {
-      throw new Error("only_create and only_update cannot be both set to true")
-    }
-
-    if (hideOldComment && hideAndRecreate) {
-      throw new Error("hide and hide_and_recreate cannot be both set to true")
-    }
+    validateBody(body, deleteOldComment, hideOldComment)
 
     const octokit = github.getOctokit(githubToken)
     const previous = await findPreviousComment(octokit, repo, pullRequestNumber, header)
diff --git a/src/validate.ts b/src/validate.ts
new file mode 100644
index 0000000..9db2372
--- /dev/null
+++ b/src/validate.ts
@@ -0,0 +1,35 @@
+export function validateBody(
+  body: string,
+  deleteOldComment: boolean,
+  hideOldComment: boolean,
+): void {
+  if (!deleteOldComment && !hideOldComment && !body) {
+    throw new Error("Either message or path input is required")
+  }
+}
+
+export function validateExclusiveModes(
+  deleteOldComment: boolean,
+  recreate: boolean,
+  onlyCreateComment: boolean,
+  onlyUpdateComment: boolean,
+  hideOldComment: boolean,
+  hideAndRecreate: boolean,
+): void {
+  const exclusiveModes: [string, boolean][] = [
+    ["delete", deleteOldComment],
+    ["recreate", recreate],
+    ["only_create", onlyCreateComment],
+    ["only_update", onlyUpdateComment],
+    ["hide", hideOldComment],
+    ["hide_and_recreate", hideAndRecreate],
+  ]
+  const enabledModes = exclusiveModes.filter(([, flag]) => flag).map(([name]) => name)
+  if (enabledModes.length > 1) {
+    const last = enabledModes[enabledModes.length - 1]
+    const rest = enabledModes.slice(0, -1)
+    const joined =
+      enabledModes.length === 2 ? `${rest[0]} and ${last}` : `${rest.join(", ")}, and ${last}`
+    throw new Error(`${joined} cannot be set to true simultaneously`)
+  }
+}