Stellarion

 (ステラリオン) is a four-member Japanese idol group formed on January 3, 2022.

They made their pre-debut on March 5, 2022 @Roppongi unravel.

Current Members

 * Nishimura Rino (西村りの; ) (Founding member)
 * Shiina Fuyuko (椎名ふゆこ; ) (Joined February 25, 2023)
 * Momose Mayu (百瀬まゆ; ) (Joined February 25, 2023)
 * Nagase Hanna (永瀬はんな; ) (Joined March 11, 2023)

Former Members

 * Hayase Sana (早瀬さな; ) (Founding member; Graduated October 9, 2022)
 * Ayami Tsumu (彩心つむ; ) (Founding member; Graduated October 10, 2022)
 * Shirakawa Ann (白川あん; ) (Founding member; Graduated November 20, 2022)
 * Koda Ayaka (甲田彩夏; ) (Founding member; Graduated December 26, 2022)
 * Tachibana Minami (橘みなみ; ) (Founding member; Graduated December 26, 2022)
 * Mitsuba Serika (三葉芹香; ) Leader (Founding member; Graduated December 26, 2022)