NATSU☆Shiyouze! (TRIGGER Version)

NATSU☆Shiyo Ze! (NATSU☆しようぜ！, NATSU☆Shiyou Ze!) is sung by. The song lyrics were written by, and the song was composed by.

NATSU☆Shiyo Ze! was originally released within the game. It becomes available in normal lives after clearing Part 1 Chapter 11.4. NATSU☆Shiyo Ze! was released on December 2, 2015 as part of the SECRET NIGHT Single, which can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク).