1Eyeline

 (ワンアイライン) was an idol group formed on January 31 2021. They disbanded in February 2022, but a successor unit, soistoimeme, consisting of members Tachibana Kyoka and Tachibana Ririka, was formed.

Final Line-up

 * Tachibana Kyoka (橘京花) (Joined August 8 2021)
 * Tachibana Ririka (橘璃々花) (Joined September 20 2021)

Former Members

 * Kurosu Mayuki (黒栖まゆき) (Founding Member; Graduated April 2021)
 * Sakurai Hikaru (桜井ひかる) (Founding Member; Graduated April 2021)
 * Ninomiya Aaa (二宮あー) (Founding Member; Graduated April 2021)
 * Kusunoki Marika (楠まりか) (Founding Member; Left May 2021)
 * Hoshino Kirari (星乃キラリ) (Joined May 30 2021; Fired January 2022)
 * Sena Momono (瀬名ももの) (Joined May 30 2021; Fired January 2022)
 * Asahi Rin (あさひ凛) (Founding Member; Graduated February 2022)
 * Tsubaki Kana (椿姫かな) (Founding Member; Graduated February 2022)