OVERFLOW

 is a four-member Japanese idol group originally formed with six members on May 20, 2021.

They released their debut digital single Kimi Dake no Spica on June 11, 2021, prior to their stage debut.

They made their pre-debut on June 13, 2021 @Otemachi Mitsui Hall, and made their official debut on June 19, 2021 @Shirokane Takanawa SELENE b2.

Current Members

 * Honda Aoi (本多あおい)
 * Nishina Yume (西名ゆめ)
 * Miyato Hinako (宮渡ひなこ)
 * Yuzuki Miho (柚月みほ)

Former Members

 * Kanzaki Himeno (神崎ひめの) (Graduated September 12, 2021 )
 * Tachibana Kotone (立花ことね) (Graduated September 12, 2021 )

Digital EPs

 * 1) [2021.07.12] OVERFLOW

Digital Singles

 * 1) [2021.06.11] Kimi Dake no Spica (君だけのスピカ; Your Own Spica)

Trivia

 * Their concept is Hakanai Onna no Ko (儚い女の子; Fleeting Girls).
 * Their music is produced by Rebrast.