Wonderful Octave

 is sung by IDOLiSH7, TRIGGER, Re:vale and ZOOL'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, Kotaro Nishiyama  as Minami Natsume, and Takashi Kondo  as Torao Mido. The song lyrics are written by, and the song is composed and arranged by.

For IDOLiSH7, TRIGGER and Re:vale, each character's solo version of  was released as the main song of their respective versions of the Wonderful Octave Single on their respective birthdays in 2019, while ZOOL's was released in 2020. Other than their  solo, each version of the single also includes an original drama track called RADIO STATION "Twelve Hits!", featuring the character talking about the month they were born in, their 12 SONGS GIFT project solo and their 12 SONGS GIFT project solo's instrumentals.

Each member's solo of  can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク) if you search Wonderful Octave and the character's name in Kanji. If you clear Part 1 Chapter 1.6, all of the versions of  will be available within the normal lives.

A version of  sung by IDOLiSH7, TRIGGER and Re:vale was also available to play as part of the 2020 BLACK OR WHITE event.

= Video =

= Lyrics =

= Appearances =