Asteria

 (アステリア) is a Japanese idol group formed on April 1, 2019.

The founding members were announced in July 2019.

A Team

 * Jinguji Reina (神宮寺れいな) (Founding Member)
 * Hoshihana Ami (星花あみ) (Joined November 2019)
 * Yumeshiro Nijika (夢城虹架) (Joined June 2020)
 * Yukihime Rin (雪姫りん) (Joined June 2020)

B Team

 * Yuzuriha Nano (楪なの) (Joined June 2020)

Research Students

 * Mashiro Nagisa (真白なぎさ) (Joined on July 14, 2022)
 * Sakurai Su (桜井すぅ) (Joined on October 26, 2022)

Former Members

 * Komoe Kiru (小萌きる) (Founding Member; Graduated in December 2019)
 * Mizuno Nao (水乃なお) (Founding Member; Graduated in April 2022)
 * Sato Miu (砂糖みう) (Founding Member; Graduated in April 2022)
 * Amatsuka Koro (天使ころ) (Founding Member; Left on July 5, 2022)

Albums

 * [2021.01.27] ASTERIA SOUNDTRACKS

Singles

 * [2020.xx.xx] Tokimeki Joushouchu・Brand-new-days / Asteria (トキメキ上昇中・Brand-new-days / アステリア)