diff --git a/src/core/column.ts b/src/core/column.ts
index d8c2645..c40a537 100644
--- a/src/core/column.ts
+++ b/src/core/column.ts
@@ -3,7 +3,7 @@ import { type Filter } from 'nostr-tools';
 
 import { type ColumnProps } from '@/components/column/Column';
 import { ContentFilter } from '@/core/contentFilter';
-import { relaysOnlyAvailableInJP } from '@/core/relayUrls';
+import { relaysForJapaneseTL } from '@/core/relayUrls';
 import generateId from '@/utils/generateId';
 
 export type NotificationType =
@@ -152,7 +152,7 @@ export const createRelaysColumn = (params: CreateParams<RelaysColumnType>): Rela
 export const createJapanRelaysColumn = () =>
   createRelaysColumn({
     name: '日本語',
-    relayUrls: relaysOnlyAvailableInJP,
+    relayUrls: relaysForJapaneseTL,
     contentFilter: {
       filterType: 'Regex',
       regex: '[\\p{sc=Hiragana}\\p{sc=Katakana}ー]',
diff --git a/src/core/relayUrls.ts b/src/core/relayUrls.ts
index 1faf0bf..f4d53c4 100644
--- a/src/core/relayUrls.ts
+++ b/src/core/relayUrls.ts
@@ -4,14 +4,16 @@ export const relaysGlobal: string[] = [
   'wss://relay.snort.social',
 ];
 
-export const relaysOnlyAvailableInJP: string[] = [
+// 日本語タイムライン用のリレーリスト（日本国内限定・日本語中心のリレー）
+export const relaysForJapaneseTL: string[] = [
   'wss://relay-jp.nostr.wirednet.jp',
-  // 'wss://nostr.h3z.jp',
+  'wss://nostr.h3z.jp',
   'wss://nostr.holybea.com',
+  'wss://yabu.me', // note130lx92q6dayqx8v98gahwxaq3vkgg4upqdvaa4w8t7yptcgjs4asjc7awf
 ];
 
 export const relaysInJP: string[] = [
-  ...relaysOnlyAvailableInJP,
+  ...relaysForJapaneseTL,
   'wss://nostr.holybea.com',
   'wss://nostr-relay.nokotaro.com',
 ];