Wonderful Octave

Wonderful Octave is sung by IDOLiSH7, TRIGGER, Re:vale, and ŹOOĻ's voice actors, Toshiki Masuda as Iori Izumi, Yusuke Shirai  as Yamato Nikaido, Tsubasa Yonaga  as Mitsuki Izumi, KENN  as Tamaki Yotsuba, Atsushi Abe  as Sogo Osaka, Takuya Eguchi  as Nagi Rokuya, Kensho Ono  as Riku Nanase, Wataru Hatano  as Gaku Yaotome, Soma Saito  as Tenn Kujo, Takuya Sato  as Ryunosuke Tsunashi, Soichiro Hoshi  as Momo, Shinnosuke Tachibana  as Yuki, Yuya Hirose  as Haruka Isumi, Subaru Kimura  as Toma Inumaru, Koutaro Nishiyama  as Minami Natsume, and Takashi Kondo  as Torao Mido. The song lyrics were written by, and the song was composed and arranged by.

Solo versions of Wonderful Octave were released on each character's birthday as part of their Wonderful Octave Single throughout 2019 and 2020.

The rest of this page covers the version sung by IDOLiSH7, TRIGGER and Re:vale, labeled simply as Wonderful Octave in the game. This version was performed at IDOLiSH7 2nd LIVE "REUNION", and was only available in the game during the 2020 BLACK OR WHITE event.