diff --git a/prisma/seed/idempotent.ts b/prisma/seed/idempotent.ts
index f4eb6b2e..c7b729b1 100644
--- a/prisma/seed/idempotent.ts
+++ b/prisma/seed/idempotent.ts
@@ -51,6 +51,17 @@ export async function resetSeedScope(prisma: PrismaClient): Promise<void> {
             },
           },
           { review_comment: { account_id: { in: userIds } } },
+          // 아래에서 지울 시드 리뷰의 댓글 신고 — 남기면 SET NULL로 대상 없는 PENDING이 된다
+          {
+            review_comment: {
+              review: {
+                OR: [
+                  { account_id: { in: userIds } },
+                  { store_id: { in: storeIds } },
+                ],
+              },
+            },
+          },
         ],
       },
     });
@@ -98,6 +109,10 @@ export async function resetSeedScope(prisma: PrismaClient): Promise<void> {
         await prisma.reviewMedia.deleteMany({
           where: { review: { order_item_id: { in: orderItemIds } } },
         });
+        // 댓글은 작성자가 시드 밖 계정이어도 리뷰 FK(RESTRICT)에 걸린다
+        await prisma.reviewComment.deleteMany({
+          where: { review: { order_item_id: { in: orderItemIds } } },
+        });
         await prisma.review.deleteMany({
           where: { order_item_id: { in: orderItemIds } },
         });
@@ -118,6 +133,15 @@ export async function resetSeedScope(prisma: PrismaClient): Promise<void> {
     await prisma.reviewMedia.deleteMany({
       where: { review: { account_id: { in: userIds } } },
     });
+    // 시드 유저 리뷰의 댓글(리뷰 FK)과 시드 유저가 남의 리뷰에 단 댓글(계정 FK) — 둘 다 RESTRICT
+    await prisma.reviewComment.deleteMany({
+      where: {
+        OR: [
+          { account_id: { in: userIds } },
+          { review: { account_id: { in: userIds } } },
+        ],
+      },
+    });
     await prisma.review.deleteMany({ where: { account_id: { in: userIds } } });
 
     // 찜
diff --git a/src/test/seed-reset-scope.spec.ts b/src/test/seed-reset-scope.spec.ts
new file mode 100644
index 00000000..e025f9a6
--- /dev/null
+++ b/src/test/seed-reset-scope.spec.ts
@@ -0,0 +1,125 @@
+import { seedCategories } from '../../prisma/seed/categories';
+import { resetSeedScope } from '../../prisma/seed/idempotent';
+import { seedOrders } from '../../prisma/seed/orders';
+import { seedRegions } from '../../prisma/seed/regions';
+import { seedReviews } from '../../prisma/seed/reviews';
+import { seedStores } from '../../prisma/seed/stores';
+import { seedUsers, type SeededUser } from '../../prisma/seed/users';
+
+import type { PrismaClient } from '@/generated/prisma/client';
+import { disconnectTestPrismaClient } from '@/test/db/prisma-test-client';
+import { closeTruncateConnection, truncateAll } from '@/test/db/truncate';
+import {
+  createAccount,
+  createOrderItem,
+  createReview,
+  createReviewReport,
+} from '@/test/factories';
+import { createTestingModuleWithRealDb } from '@/test/modules/testing-module.builder';
+
+// 로컬에서 시드 데이터에 붙여 둔 행이 있어도 재시드(정리 → 재삽입)가 FK에 막히면 안 된다
+describe('resetSeedScope (real DB)', () => {
+  let prisma: PrismaClient;
+
+  beforeAll(async () => {
+    ({ prisma } = await createTestingModuleWithRealDb({ providers: [] }));
+  });
+
+  afterAll(async () => {
+    await closeTruncateConnection();
+    await disconnectTestPrismaClient();
+  });
+
+  beforeEach(async () => {
+    await truncateAll();
+  });
+
+  /** 시드 main과 같은 순서로 리뷰까지 채운다 */
+  async function seedThroughReviews(): Promise<SeededUser[]> {
+    const users = await seedUsers(prisma);
+    await seedRegions(prisma);
+    const categories = await seedCategories(prisma);
+    const stores = await seedStores(prisma, { categories });
+    const orders = await seedOrders(prisma, { users, stores });
+    await seedReviews(prisma, { users, stores, orders });
+    return users;
+  }
+
+  function writeComment(reviewId: bigint, accountId: bigint) {
+    return prisma.reviewComment.create({
+      data: { review_id: reviewId, account_id: accountId, content: '댓글' },
+    });
+  }
+
+  it('시드 리뷰에 다른 계정이 단 댓글이 있어도 정리하고 다시 시드한다', async () => {
+    const users = await seedThroughReviews();
+    const seedReview = await prisma.review.findFirstOrThrow({
+      where: { account_id: { in: users.map((u) => u.id) } },
+    });
+    const outsider = await createAccount(prisma, { account_type: 'USER' });
+    const comment = await writeComment(seedReview.id, outsider.id);
+
+    await resetSeedScope(prisma);
+    await seedThroughReviews();
+
+    expect(
+      await prisma.reviewComment.findUnique({ where: { id: comment.id } }),
+    ).toBeNull();
+    expect(
+      await prisma.account.findUnique({ where: { id: outsider.id } }),
+    ).not.toBeNull();
+  });
+
+  it('시드 리뷰에 달린 외부 댓글의 외부 신고도 지워 대상 없는 신고가 남지 않는다', async () => {
+    const users = await seedThroughReviews();
+    const seedReview = await prisma.review.findFirstOrThrow({
+      where: { account_id: { in: users.map((u) => u.id) } },
+    });
+    const outsider = await createAccount(prisma, { account_type: 'USER' });
+    const comment = await writeComment(seedReview.id, outsider.id);
+    const report = await createReviewReport(prisma, {
+      review_comment_id: comment.id,
+    });
+
+    await resetSeedScope(prisma);
+
+    expect(
+      await prisma.reviewReport.findUnique({ where: { id: report.id } }),
+    ).toBeNull();
+  });
+
+  it('시드 사용자가 시드 밖 리뷰에 단 댓글은 지우고 그 리뷰는 남긴다', async () => {
+    const [seedUser] = await seedThroughReviews();
+    const outsideReview = await createReview(prisma);
+    const comment = await writeComment(outsideReview.id, seedUser.id);
+
+    await resetSeedScope(prisma);
+
+    expect(
+      await prisma.reviewComment.findUnique({ where: { id: comment.id } }),
+    ).toBeNull();
+    expect(
+      await prisma.review.findUnique({ where: { id: outsideReview.id } }),
+    ).not.toBeNull();
+  });
+
+  it('시드 주문 밖에 있는 시드 사용자 리뷰의 댓글도 지운다', async () => {
+    const [seedUser] = await seedThroughReviews();
+    const outsideItem = await createOrderItem(prisma);
+    const review = await createReview(prisma, {
+      order_item_id: outsideItem.id,
+      account_id: seedUser.id,
+    });
+    const outsider = await createAccount(prisma, { account_type: 'USER' });
+    const comment = await writeComment(review.id, outsider.id);
+
+    await resetSeedScope(prisma);
+
+    expect(
+      await prisma.review.findUnique({ where: { id: review.id } }),
+    ).toBeNull();
+    expect(
+      await prisma.reviewComment.findUnique({ where: { id: comment.id } }),
+    ).toBeNull();
+  });
+});