Hatsukoi Rhythm

Hatsukoi Rhythm (ハツコイリズム, Hatsukoi Rizumu) is sung by. The song lyrics were written by, and the song was composed by.

Hatsukoi Rhythm was originally released within the game as part of Part 4 on September 27, 2019. It becomes available in normal lives after clearing Part 4 Chapter 15.5. Hatsukoi Rhythm was released on January 8, 2020 as part of the Mr.AFFECTiON Single, which can be purchased digitally on the iTunes Store, animelo mix, music.jp, mora, and Recochoku (レコチョク).