Crayon Chu~Doku imo~to

 (くれよんちゅ〜どく妹) was an idol group formed in July 2021. They were the younger sister group of Crayon Chu~Doku.

They stopped activities on December 13, 2021.

Members

 * Hanase Emu (花瀬えむ) (Founding Member)
 * Naruse Soruto (成瀬そると) (Founding Member)
 * Takanami Azumi (鷹波あずみ) (Founding Member)