Chouonpa

 (超音波) is a four-member Japanese idol group formed on March 22, 2020 with former members of Konyanko.

They made their debut in June 2020.

Members

 * Hanasaki Miharu (花咲美春; ) (Founding member; graduating April 18, 2021)
 * Kuroishi Rise (黒石莉世; ) (Founding member)
 * Yoshikawa Emin (吉川恵民; ) (Founding member)
 * Ishizaki Juri (石崎珠里; ) (Founding member; graduating April 18, 2021)
 * Sakuraba Yuzuha (桜葉柚羽) (Joining April 3, 2021)