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; ; )
 * Suzuno Hayato (涼野ハヤト; ; )
 * Kawahara Junta (河原隼大; ; )
 * Matsuda Taiki (松田大輝; ; )
 * Manato.
 * Fujisawa Tomoya (藤澤智也; ; )

Former Members

 * Amane Sora (天音そら; ; )
 * Juki (じゅき; ; )

Singles

 * 1) [2020.12.22] STARLIGHT STORYS