TIGHT

 (白夜のカフカ) is an idol group that debuted in November 2021.

Current Members

 * Tadase Nana (唯世夏凪)
 * Meri (芽利)
 * Nishio Kaya (西尾華耶)
 * Naruse Mikuri (成瀬みくり) (Joined March 2022)
 * Riria (リリア) (Joined March 2022)
 * Heri (妃理) (Joined September 2022)

Former Members

 * Asukai Botan (飛鳥井ぼたん) (Joined March 2022, left August 2022)