Labyrinth

 is sung by Haruka Isumi's voice actor, Yuya Hirose. The song lyrics are written by. composed and arranged the song while composed the song and  arranged the song.

 was released on December 6, 2019, Haruka Isumi's birthday. It can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク).  was also released within the game. If you clear Part 1 Chapter 1.6 it will be available within the normal lives.

= Video =

= Lyrics =

= Appearances =

= Live Challenges =

Easy=

Normal=

Hard=

Expert=