RE:IN

, formerly known as KARUMA (KAゑMA) is an idol group formed in December 2020. They disband on October 22, 2022, with some members of their final line-up joining KING∞RAGE.

Final Line-up

 * Anju (あんじゅ) (Original Member)
 * Homura (ほむら) (Original Member)
 * Moya (靄) (Joined July 25, 2021)
 * Salt (ソルト) (Joined December 30, 2021)

Former Members

 * Suiren (すいれん) (Original Member; Graduated June 25, 2021)
 * Roko (ロコ) (Original Member; Graduated November 24, 2021)
 * Kurage (海月) (Joined July 25, 2021)

Digital Singles

 * 1) [2021.01.15] Persona (ペルソナ)
 * 2) [2021.02.09] Kyoukansei Loneliness (狂感性ロンリネス)
 * 3) [2021.03.03] Jikokoutei Syndrome (自己肯定シンドローム)
 * 4) [2021.06.24] Serenade
 * 5) [2021.06.24] forget
 * 6) [2021.08.02] BIG LOVE