ATHENA

 was a dance and vocal unit. They debuted in October 2014 and stopped activities in September 2017 with the departure of the two remaining members. The group was never revived, and is now considered disbanded.

Final Line-up

 * Takagi Hiyori (高貴陽和; ) (Founding member, graduated September 2017)
 * Hatano Natsumi (羽田野菜摘) (Joined July 2017, fired September 2017)

Former Members

 * Kato Yumeka (加藤夢華; ) (Graduated June 2015)
 * Satonaka Rin (里中凛) (Joined December 2015, graduated December 2016)
 * Nishioka Misaki (西岡美咲; ) (Founding member, graduated December 2016)

Singles

 * [2014.12.03] MAYBE TOMORROW ～Ashita Kamoshirenai~ (MAYBE TOMORROW ～アシタカモシレナイ～)
 * [2016.03.23] Toumei na Kimochi (透明なキモチ)