Cocktail Kenkyuujo

 (カクテル研究所) is a laboratory-themed idol group formed in September 2020. On December 1, 2021 the group announced they would be suspending activities on January 27, 2022.

Current Members

 * Kisaragi Reina (如月玲奈) (Founding member)
 * Kurosaki Kana (黒崎カナ) (Founding member)
 * Sakura Misaki (佐倉美咲) (Founding member)
 * Kashisaki Aya (柏崎あや) (Joined March 2021)
 * kiki (Joined March 2021)

Former Members

 * Hakushu Nanami (白州ななみ) (Joined November 2020)
 * Yukika (雪花) (Founding member)
 * Mashima Kaworu (真嶋カヲル) (Joined November 2020)