Satoru Kōsaki
The season features four pieces of theme music: three opening themes, and one ending theme. "SHIORI", the ending theme, was composed and written by Tomoyuki Ogawa, and was performed by ClariS. The first opening, "terminal terminal", was composed by Mito and Satoru Kōsaki, written by Meg Rock, and was sung by cast member Emiri Katō (Mayoi Hachikuji); the second opening, "dreamy date drive", was composed by Satoru Kōsaki, written by Meg Rock, and sung by cast member Chiwa Saitō (Hitagi Senjougahara); the third opening, "dark cherry mystery", was composed by Mito, written by Meg Rock, and sung by cast member Kaori Mizuhashi (Ougi Oshino).