Sennen Saki mo Zutto...

Sennen Saki mo Zutto... (千年先もずっと…, Sennen Saki mo Zutto...) is sung by Yuki's voice actor, Shinnosuke Tachibana. The song lyrics were written by, and the song was composed and arranged by.

Sennen Saki mo Zutto... 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 December 24, 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 December 24, 2018, and becomes available in normal lives after clearing Part 1 Chapter 1.6.