Up to the nines

Up to the nines is sung by Tenn Kujo's voice actor, Soma Saito. The song lyrics were written by, and the song was composed and arranged by.

Up to the nines was originally released as part of the 12 SONGS GIFT project where all the idols from IDOLiSH7, TRIGGER, and Re:vale released solo songs on their birthdays. The song was released as a single on July 9, 2018, which can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク). It was also added to the game on July 9, 2018, and becomes available in normal lives after clearing Part 1 Chapter 1.6.