diff --git a/src/pages/CaseDetailPage/CaseDetailPage.test.tsx b/src/pages/CaseDetailPage/CaseDetailPage.test.tsx
index 3307c9f..d4425ac 100644
--- a/src/pages/CaseDetailPage/CaseDetailPage.test.tsx
+++ b/src/pages/CaseDetailPage/CaseDetailPage.test.tsx
@@ -737,6 +737,98 @@ describe('CaseDetailPage', () => {
     ).toBe(false)
   })
 
+  it('prefills the AI bilingual guide draft for HR review and saves it', async () => {
+    const user = userEvent.setup()
+    mockTaskAndActivities(
+      {
+        business_data: {
+          renewal_execution: {
+            guide_review_required: true,
+            guide_failure_code: 'LANGUAGE_ASSISTANT_REVIEW_REQUIRED',
+            guide_review_draft: {
+              target_language: 'mn',
+              standard_korean_text: '다음 요청 내용을 확인해 주세요.',
+              easy_korean_text: '여권 사본을 준비해 주세요.',
+              translated_text: 'Паспортын хуулбараа бэлдэнэ үү.',
+              warning_codes: ['RETRIEVAL_UNAVAILABLE'],
+            },
+          },
+        },
+      },
+      [],
+      { missing: ['PASSPORT_COPY'], completion_blocked: true },
+    )
+    renderPage()
+    await screen.findByText('응웬반A 체류연장 준비')
+
+    await user.click(screen.getByRole('tab', { name: CASE_TABS[2] }))
+
+    expect(screen.getByLabelText('안내 언어')).toHaveValue('mn')
+    expect(screen.getByLabelText('근로자 안내문')).toHaveValue(
+      '[쉬운 한국어]\n여권 사본을 준비해 주세요.\n\n[대상 언어 안내]\nПаспортын хуулбараа бэлдэнэ үү.',
+    )
+
+    await user.click(screen.getByRole('button', { name: '요청 초안 저장' }))
+
+    const saveCall = await waitFor(() => {
+      const call = vi
+        .mocked(fetch)
+        .mock.calls.find(
+          ([url, init]) =>
+            String(url).includes('/document-request-draft') && init?.method === 'PUT',
+        )
+      expect(call).toBeDefined()
+      return call!
+    })
+    expect(JSON.parse(String(saveCall[1]?.body))).toMatchObject({
+      language: 'mn',
+      message:
+        '[쉬운 한국어]\n여권 사본을 준비해 주세요.\n\n[대상 언어 안내]\nПаспортын хуулбараа бэлдэнэ үү.',
+    })
+  })
+
+  it('keeps the saved HR draft instead of replacing it with an AI review draft', async () => {
+    const user = userEvent.setup()
+    mockTaskAndActivities(
+      {
+        business_data: {
+          renewal_execution: {
+            guide_review_required: true,
+            guide_failure_code: 'LANGUAGE_ASSISTANT_REVIEW_REQUIRED',
+            guide_review_draft: {
+              target_language: 'mn',
+              easy_korean_text: 'AI가 만든 안내',
+              translated_text: 'AI орчуулга',
+            },
+          },
+        },
+      },
+      [],
+      { missing: ['PASSPORT_COPY'], completion_blocked: true },
+      [],
+      [],
+      null,
+      null,
+      {
+        draft_id: 'draft-1',
+        language: 'vi',
+        document_types: ['PASSPORT_COPY'],
+        message: 'HR이 검토하고 저장한 안내문',
+        version: 3,
+        review_status: 'DRAFT',
+        updated_at: '2026-08-08T00:00:00Z',
+      },
+    )
+    renderPage()
+    await screen.findByText('응웬반A 체류연장 준비')
+
+    await user.click(screen.getByRole('tab', { name: CASE_TABS[2] }))
+
+    expect(screen.getByLabelText('안내 언어')).toHaveValue('vi')
+    expect(screen.getByLabelText('근로자 안내문')).toHaveValue('HR이 검토하고 저장한 안내문')
+    expect(screen.queryByDisplayValue(/AI가 만든 안내/)).not.toBeInTheDocument()
+  })
+
   it('shows real unread worker responses and marks them as reviewed', async () => {
     const user = userEvent.setup()
     mockTaskAndActivities(
diff --git a/src/pages/CaseDetailPage/CaseDetailPage.tsx b/src/pages/CaseDetailPage/CaseDetailPage.tsx
index 3faf3a3..b144802 100644
--- a/src/pages/CaseDetailPage/CaseDetailPage.tsx
+++ b/src/pages/CaseDetailPage/CaseDetailPage.tsx
@@ -62,6 +62,7 @@ import { TASK_SOURCE_LABEL, TASK_STATUS_LABEL, TASK_STATUS_TONE } from '../../ut
 import { getDocumentViewModel } from '../../view-models/documentViewModel'
 import { getOperationalDateViewModel } from '../../view-models/dateViewModel'
 import {
+  buildWorkerGuideReviewMessage,
   getWorkerGuideReviewPresentation,
   getWorkerGuideReviewState,
 } from '../../view-models/workerGuideReviewViewModel'
@@ -166,6 +167,7 @@ interface DocumentRequestDraftForm {
   taskId: string
   sourceVersion: number | null
   guideReviewRequired: boolean
+  dirty: boolean
   language: string
   documentTypes: DocumentType[]
   message: string
@@ -345,16 +347,27 @@ export function CaseDetailPage() {
     ])
     const savedVersion = documentRequestDraft?.version ?? null
     const preferredLanguage = worker?.preferred_language?.trim() || 'ko'
-    const guideReviewRequired = task
-      ? getWorkerGuideReviewState(task.business_data).required
-      : false
+    const guideReviewState = task
+      ? getWorkerGuideReviewState(task.business_data)
+      : { required: false, failureCode: null, draft: null }
+    const guideReviewRequired = guideReviewState.required
+    const guideReviewMessage = guideReviewRequired
+      ? buildWorkerGuideReviewMessage(guideReviewState.draft)
+      : ''
+    const guideReviewLanguage = guideReviewRequired
+      ? (guideReviewState.draft?.targetLanguage ?? preferredLanguage)
+      : preferredLanguage
 
     setDocumentRequestDraftForm((current) => {
       if (documentRequestDraft) {
+        if (current?.taskId === taskId && current.sourceVersion === savedVersion && current.dirty) {
+          return current
+        }
         return {
           taskId,
           sourceVersion: savedVersion,
           guideReviewRequired,
+          dirty: false,
           language: documentRequestDraft.language,
           documentTypes: documentRequestDraft.document_types,
           message: documentRequestDraft.message ?? '',
@@ -369,16 +382,25 @@ export function CaseDetailPage() {
           ...current.documentTypes,
           ...inferredDocumentTypes,
         ])
+        if (current.dirty) {
+          return {
+            ...current,
+            documentTypes,
+          }
+        }
         const canUseDefaultMessage = !guideReviewRequired && current.language === 'ko'
         const message =
           current.message &&
           current.message !== defaultDocumentRequestMessage(current.documentTypes)
             ? current.message
-            : canUseDefaultMessage
-              ? defaultDocumentRequestMessage(documentTypes)
-              : ''
+            : guideReviewMessage
+              ? guideReviewMessage
+              : canUseDefaultMessage
+                ? defaultDocumentRequestMessage(documentTypes)
+                : ''
         return {
           ...current,
+          language: guideReviewState.draft?.targetLanguage ?? current.language,
           documentTypes,
           message,
         }
@@ -387,12 +409,14 @@ export function CaseDetailPage() {
         taskId,
         sourceVersion: null,
         guideReviewRequired,
-        language: preferredLanguage,
+        dirty: false,
+        language: guideReviewLanguage,
         documentTypes: inferredDocumentTypes,
         message:
-          !guideReviewRequired && preferredLanguage === 'ko'
+          guideReviewMessage ||
+          (!guideReviewRequired && guideReviewLanguage === 'ko'
             ? defaultDocumentRequestMessage(inferredDocumentTypes)
-            : '',
+            : ''),
       }
     })
     setDocumentRequestDraftVersion((current) => {
@@ -718,7 +742,7 @@ export function CaseDetailPage() {
       setDocumentRequestDraftVersion({ taskId: task.task_id, version: savedDraft.version })
       setDocumentRequestDraftForm((current) =>
         current?.taskId === task.task_id
-          ? { ...current, sourceVersion: savedDraft.version, message }
+          ? { ...current, sourceVersion: savedDraft.version, dirty: false, message }
           : current,
       )
       await refetchDocumentRequestDraft()
@@ -942,6 +966,8 @@ export function CaseDetailPage() {
   const guideReview = guideReviewState.required
     ? getWorkerGuideReviewPresentation(guideReviewState.failureCode)
     : null
+  const guideReviewDraftAvailable =
+    guideReviewState.required && buildWorkerGuideReviewMessage(guideReviewState.draft) !== ''
   const approvalBadge = getApprovalBadge(task.status)
   const requiredChecklist = task.checklist_items.filter((item) => item.required)
   const completedRequiredChecklist = requiredChecklist.filter((item) => item.completed).length
@@ -1492,8 +1518,11 @@ export function CaseDetailPage() {
                   <div className={styles.documentRequestReview} role="alert">
                     <strong>{guideReview.title}</strong>
                     <p>
-                      {guideReview.description} 대상 언어를 확인하고 안내문을 직접 작성해 저장해
-                      주세요. 저장 전에는 근로자에게 전달되지 않습니다.
+                      {guideReview.description}{' '}
+                      {guideReviewDraftAvailable
+                        ? '자동 생성된 초안의 대상 언어와 내용을 확인·수정해 저장해 주세요.'
+                        : '대상 언어를 확인하고 안내문을 직접 작성해 저장해 주세요.'}{' '}
+                      저장 전에는 근로자에게 전달되지 않습니다.
                     </p>
                   </div>
                 )}
@@ -1508,7 +1537,7 @@ export function CaseDetailPage() {
                   onChange={(event) =>
                     setDocumentRequestDraftForm((current) =>
                       current?.taskId === task.task_id
-                        ? { ...current, language: event.target.value }
+                        ? { ...current, language: event.target.value, dirty: true }
                         : current,
                     )
                   }
@@ -1539,7 +1568,7 @@ export function CaseDetailPage() {
                   onChange={(event) =>
                     setDocumentRequestDraftForm((current) =>
                       current?.taskId === task.task_id
-                        ? { ...current, message: event.target.value }
+                        ? { ...current, message: event.target.value, dirty: true }
                         : current,
                     )
                   }
diff --git a/src/view-models/workerGuideReviewViewModel.test.ts b/src/view-models/workerGuideReviewViewModel.test.ts
new file mode 100644
index 0000000..6a08281
--- /dev/null
+++ b/src/view-models/workerGuideReviewViewModel.test.ts
@@ -0,0 +1,50 @@
+import { describe, expect, it } from 'vitest'
+import {
+  buildWorkerGuideReviewMessage,
+  getWorkerGuideReviewState,
+} from './workerGuideReviewViewModel'
+
+describe('workerGuideReviewViewModel', () => {
+  it('parses and presents the bilingual AI review draft', () => {
+    const state = getWorkerGuideReviewState({
+      renewal_execution: {
+        guide_review_required: true,
+        guide_failure_code: 'LANGUAGE_ASSISTANT_REVIEW_REQUIRED',
+        guide_review_draft: {
+          target_language: 'mn',
+          standard_korean_text: '서류를 준비해 주세요.',
+          easy_korean_text: '여권 사본을 준비해 주세요.',
+          translated_text: 'Паспортын хуулбараа бэлдэнэ үү.',
+          warning_codes: ['RETRIEVAL_UNAVAILABLE'],
+        },
+      },
+    })
+
+    expect(state).toMatchObject({
+      required: true,
+      failureCode: 'LANGUAGE_ASSISTANT_REVIEW_REQUIRED',
+      draft: {
+        targetLanguage: 'mn',
+        warningCodes: ['RETRIEVAL_UNAVAILABLE'],
+      },
+    })
+    expect(buildWorkerGuideReviewMessage(state.draft)).toBe(
+      '[쉬운 한국어]\n여권 사본을 준비해 주세요.\n\n[대상 언어 안내]\nПаспортын хуулбараа бэлдэнэ үү.',
+    )
+  })
+
+  it('does not duplicate identical Korean and translated text', () => {
+    const state = getWorkerGuideReviewState({
+      renewal_execution: {
+        guide_review_required: true,
+        guide_review_draft: {
+          target_language: 'ko',
+          easy_korean_text: '여권 사본을 준비해 주세요.',
+          translated_text: '여권 사본을 준비해 주세요.',
+        },
+      },
+    })
+
+    expect(buildWorkerGuideReviewMessage(state.draft)).toBe('여권 사본을 준비해 주세요.')
+  })
+})
diff --git a/src/view-models/workerGuideReviewViewModel.ts b/src/view-models/workerGuideReviewViewModel.ts
index 1ced3b9..64df924 100644
--- a/src/view-models/workerGuideReviewViewModel.ts
+++ b/src/view-models/workerGuideReviewViewModel.ts
@@ -1,6 +1,15 @@
 export interface WorkerGuideReviewState {
   required: boolean
   failureCode: string | null
+  draft: WorkerGuideReviewDraft | null
+}
+
+export interface WorkerGuideReviewDraft {
+  targetLanguage: string | null
+  standardKoreanText: string | null
+  easyKoreanText: string | null
+  translatedText: string | null
+  warningCodes: string[]
 }
 
 export interface WorkerGuideReviewPresentation {
@@ -15,12 +24,39 @@ const FAILURE_DESCRIPTIONS: Record<string, string> = {
   WORKER_GUIDE_UNAVAILABLE: '안전하게 사용할 수 있는 근로자 안내문을 만들지 못했습니다.',
 }
 
+function optionalString(value: unknown): string | null {
+  return typeof value === 'string' && value.trim() !== '' ? value.trim() : null
+}
+
+function parseGuideReviewDraft(value: unknown): WorkerGuideReviewDraft | null {
+  if (!value || typeof value !== 'object' || Array.isArray(value)) return null
+
+  const draft = value as Record<string, unknown>
+  const parsed = {
+    targetLanguage: optionalString(draft.target_language),
+    standardKoreanText: optionalString(draft.standard_korean_text),
+    easyKoreanText: optionalString(draft.easy_korean_text),
+    translatedText: optionalString(draft.translated_text),
+    warningCodes: Array.isArray(draft.warning_codes)
+      ? draft.warning_codes.filter((code): code is string => typeof code === 'string')
+      : [],
+  }
+
+  return parsed.targetLanguage ||
+    parsed.standardKoreanText ||
+    parsed.easyKoreanText ||
+    parsed.translatedText ||
+    parsed.warningCodes.length > 0
+    ? parsed
+    : null
+}
+
 export function getWorkerGuideReviewState(
   businessData: Record<string, unknown>,
 ): WorkerGuideReviewState {
   const execution = businessData.renewal_execution
   if (!execution || typeof execution !== 'object' || Array.isArray(execution)) {
-    return { required: false, failureCode: null }
+    return { required: false, failureCode: null, draft: null }
   }
 
   const metadata = execution as Record<string, unknown>
@@ -28,9 +64,24 @@ export function getWorkerGuideReviewState(
     required: metadata.guide_review_required === true,
     failureCode:
       typeof metadata.guide_failure_code === 'string' ? metadata.guide_failure_code : null,
+    draft: parseGuideReviewDraft(metadata.guide_review_draft),
   }
 }
 
+export function buildWorkerGuideReviewMessage(draft: WorkerGuideReviewDraft | null): string {
+  if (!draft) return ''
+
+  const koreanText = draft.easyKoreanText ?? draft.standardKoreanText
+  const translatedText = draft.translatedText
+
+  if (!koreanText) return translatedText ?? ''
+  if (!translatedText || translatedText === koreanText || draft.targetLanguage === 'ko') {
+    return koreanText
+  }
+
+  return `[쉬운 한국어]\n${koreanText}\n\n[대상 언어 안내]\n${translatedText}`
+}
+
 export function getWorkerGuideReviewPresentation(
   failureCode: string | null,
 ): WorkerGuideReviewPresentation {