diff --git a/devfront/src/locales/en.toml b/devfront/src/locales/en.toml
index e9e51705..811f7b26 100644
--- a/devfront/src/locales/en.toml
+++ b/devfront/src/locales/en.toml
@@ -1443,6 +1443,17 @@ cache_status = "Status"
 cache_uri = "JWKS URI"
 revoke_cache = "Revoke Cache"
 
+[ui.dev.clients.relationships]
+title = "Client Relationships"
+add_title = "Add Relationship"
+relation = "Relation"
+user_id = "User ID"
+user_id_placeholder = "kratos user id"
+add = "Add"
+list_title = "Assigned Relationships"
+subject = "Subject"
+subject_type = "Type"
+
 [ui.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 docs_title = "Docs & Examples"
diff --git a/devfront/src/locales/ko.toml b/devfront/src/locales/ko.toml
index 00ec0f3d..27aae064 100644
--- a/devfront/src/locales/ko.toml
+++ b/devfront/src/locales/ko.toml
@@ -1442,6 +1442,17 @@ cache_status = "상태"
 cache_uri = "JWKS URI"
 revoke_cache = "캐시 삭제"
 
+[ui.dev.clients.relationships]
+title = "클라이언트 관계"
+add_title = "관계 추가"
+relation = "관계"
+user_id = "사용자 ID"
+user_id_placeholder = "kratos 사용자 id"
+add = "추가"
+list_title = "부여된 관계"
+subject = "주체"
+subject_type = "유형"
+
 [ui.dev.clients.help]
 docs_body = "Includes PKCE, client_secret_basic, redirect URI validation tips."
 docs_title = "Docs & Examples"
diff --git a/devfront/src/locales/template.toml b/devfront/src/locales/template.toml
index d6252524..eb5792b0 100644
--- a/devfront/src/locales/template.toml
+++ b/devfront/src/locales/template.toml
@@ -1442,6 +1442,17 @@ cache_status = ""
 cache_uri = ""
 revoke_cache = ""
 
+[ui.dev.clients.relationships]
+title = ""
+add_title = ""
+relation = ""
+user_id = ""
+user_id_placeholder = ""
+add = ""
+list_title = ""
+subject = ""
+subject_type = ""
+
 [ui.dev.clients.help]
 docs_body = ""
 docs_title = ""
diff --git a/devfront/tests/devfront-relationships.spec.ts b/devfront/tests/devfront-relationships.spec.ts
index b88fb3a3..e74bd33b 100644
--- a/devfront/tests/devfront-relationships.spec.ts
+++ b/devfront/tests/devfront-relationships.spec.ts
@@ -41,12 +41,18 @@ test.describe("DevFront relationships", () => {
     await installDevApiMock(page, state);
 
     await page.goto("/clients/client-rel/relationships");
-    await expect(page.getByText("Client Relationships")).toBeVisible();
+    await expect(page.getByText("클라이언트 관계")).toBeVisible();
+    await expect(
+      page.getByRole("heading", { name: "관계 추가" }),
+    ).toBeVisible();
+    await expect(
+      page.getByRole("heading", { name: "부여된 관계" }),
+    ).toBeVisible();
     await expect(page.getByText("User:user-1")).toBeVisible();
 
-    await page.getByLabel(/Relation/i).selectOption("secret_rotator");
-    await page.getByLabel(/User ID/i).fill("user-2");
-    await page.getByRole("button", { name: /^Add$/i }).click();
+    await page.getByLabel(/^관계$/).selectOption("secret_rotator");
+    await page.getByLabel(/^사용자 ID$/).fill("user-2");
+    await page.getByRole("button", { name: /^추가$/ }).click();
 
     await expect(page.getByText("User:user-2")).toBeVisible();
     await expect.poll(() => state.relations["client-rel"]?.length ?? 0).toBe(2);