Hidden Region

Hidden Region is sung by. The song lyrics were written by, and the song was composed by.

Hidden Region was released on September 19, 2022 as a single for TRIGGER's anniversary, and can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク). It was featured during the TRIGGER Anniversary Event 2022 before being added to the game on September 25, 2019, and becomes available in normal lives after clearing Part 1 Chapter 1.6.

Lyrics
Line distribution by Sogotistics.