Satoru Kōsaki
The season features two pieces of theme music: one opening theme, and one ending theme. , the ending theme, was produced by Jin (Shizen no Teki-P) and sung by Luna Haruna. The opening theme, "chocolate insomnia", was composed by Satoru Kōsaki, written by Meg Rock, and sung by cast member Yui Horie (Tsubasa Hanekawa).