Symmetrical no Houkiboshi*

 (シンメトリカルノ箒星*) was a Japanese idol group that debuted on July 5, 2020.

Their concept was "ultra-orthodox idol group that shines like a comet".

Their current system ended on February 27, 2022, with all members graduating. The group has been inactive since.

Final Line-Up

 * Kase Airi (加瀬藍梨; ) (Original Member; Graduated February 27, 2022)
 * Shiraishi Rika (しらいしりか; ) (Original Member; Graduated February 27, 2022)
 * Narumi Sakura (成海咲良; ) (Original Member; Graduated February 27, 2022)
 * Nishina Suzuka (西菜すずか; ) (Original Member; Graduated February 27, 2022)
 * Kuriyama Hiiro (栗山陽色; ) (Joined March 2021; Graduated February 27, 2022)

Former Members

 * Kamiya Miona (神谷澪奈; ) (Joined April 2021; Graduated December 14, 2021)
 * Yoshii Nagisa (吉井渚沙; ) (Original Member; Graduated January 19, 2022)