Yayoi Yamu

 (夜宵やむ) is a former Japanese idol and a former founding member of Higeki no Heroine Syndrome and HEROINES.

She graduated from Higeki no Heroine Syndrome and HEROINES on April 23 2021, where Higeki no Heroine Syndrome disbanded.

Singles

 * Silent Cry / REVENGER

Video Releases

 * mercy killing

Albums

 * Ubiquity ~Konosaki mo Issho ni Ayunde Ikou ne~

Trivia

 * She shares a Twitter and YouTube channel with fellow member Kagono Mea, both accounts are named Yoru Mea Rengou (夜めあ連合; Nightmea Union).
 * As of December 2019, their YouTube channel has over 26,600 subscribers, and their Twitter has over 11,400 followers.