Yayoi Yamu

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

Singles

 * Silent Cry / REVENGER

Collaboration Singles

 * Ubiquity ~Konosaki mo Issho ni Ayunde Ikou ne~ (HEROINES)

Video Releases

 * mercykilling

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.