Runup!!

 is currently a four-member Japanese idol group originally formed with two members in May 2019.

Current Members

 * Sakura Rin (桜空りん; Yellow ) (Founding Member)
 * Sakura Kae (桜空かえ; Pink ) (Founding Member)
 * Shiina Ayane (椎名あやね; Blue ) (Joined December 15, 2019)
 * Seko Otoha (世古乙羽; Red ) (Joined February 12, 2020)