diff --git a/src/content.ts b/src/content.ts
index 85f1c20..d519604 100644
--- a/src/content.ts
+++ b/src/content.ts
@@ -34,6 +34,20 @@ const searchAndShowBskyUsers = async ({
         removeQuery: async (arg: string) => await agent.unfollow(arg),
       })
       break
+    case MESSAGE_NAMES.SEARCH_BSKY_USER_ON_LIST_MEMBERS_PAGE:
+      await searchAndInsertBskyUsers({
+        agent,
+        btnLabel: {
+          add: "Follow",
+          remove: "Unfollow",
+          progressive: "Following",
+        },
+        statusKey: VIEWER_STATE.FOLLOWING,
+        userCellQueryParam: '[data-testid="UserCell"]',
+        addQuery: async (arg: string) => await agent.follow(arg),
+        removeQuery: async (arg: string) => await agent.unfollow(arg),
+      })
+      break
     case MESSAGE_NAMES.SEARCH_BSKY_USER_ON_BLOCK_PAGE:
       // TODO: If already blocked, don't show blocking state. because blocking user can't find.
       await searchAndInsertBskyUsers({
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index e804178..8c4dbb2 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -1,5 +1,6 @@
 export const MESSAGE_NAMES = {
   SEARCH_BSKY_USER_ON_FOLLOW_PAGE: "search_bsky_user_on_follow_page",
+  SEARCH_BSKY_USER_ON_LIST_MEMBERS_PAGE: "search_bsky_user_on_list_members_page",
   SEARCH_BSKY_USER_ON_BLOCK_PAGE: "search_bsky_user_on_block_page",
 }
 
@@ -11,6 +12,7 @@ export const STORAGE_KEYS = {
 
 export const TARGET_URLS_REGEX = {
   FOLLOW: /^https:\/\/(twitter|x)\.com\/[^/]+\/follow/,
+  LIST: /^https:\/\/(twitter|x)\.com\/[^/]+\/lists\/[^/]+\/members/,
   BLOCK: /^https:\/\/(twitter|x)\.com\/settings\/blocked/,
 } as const
 
diff --git a/src/popup.tsx b/src/popup.tsx
index d63c980..34cef8d 100644
--- a/src/popup.tsx
+++ b/src/popup.tsx
@@ -55,6 +55,10 @@ function IndexPopup() {
         P.when((url) => TARGET_URLS_REGEX.BLOCK.test(url)),
         () => MESSAGE_NAMES.SEARCH_BSKY_USER_ON_BLOCK_PAGE
       )
+      .with(
+        P.when((url) => TARGET_URLS_REGEX.LIST.test(url)),
+        () => MESSAGE_NAMES.SEARCH_BSKY_USER_ON_LIST_MEMBERS_PAGE
+      )
       .run()
 
     setMessage(null)