12 Starium

 (12星座リウム), also known as 12 Starium and Starim (スタリム), is an idol boy group that debuted in August 2019. The concept of the group is "Star signs and constellations" and their fans are called "Observers" (Kansokusha; 観測者).

The group is holding regular performances every Tuesday and operate the "Starim Cafe" (スタリムカフェ).

Current Members

 * Moriyama Tsuduri (森山綴; ; ) (1st generation)
 * Manato. (1st generation)
 * Kawahara Junta (河原隼大; ; ) (1st generation)
 * Matsuda Taiki (松田大輝; ; ) (2nd generation)
 * Fujisawa Tomoya (藤澤智也; ; )
 * Suzuno Hayato (涼野ハヤト; ; )

Former Members

 * Amane Sora (天音そら; ; )
 * Juki (じゅき; ; ) (2nd generation, Graduated on February 6, 2021)

Singles

 * 1) [2020.12.22] STARLIGHT STORYS