Bubble flowers

 (バブルフラワーズ) is pre-debut idol group formed on September 9, 2022 @Shinagawa The Grand Hall.

Current Members

 * Tsuda Riona (都田りおな; )
 * Yukimoto Iroha (雪本彩羽; )
 * Shinomiya Ritsu (篠宮凛月; )
 * Shinkawa Hina (新川日菜; ) (Concurrent member of BLACK PRINCESS)