Masaaki Endoh
The first season use two pieces of theme music, one opening and one ending theme. The opening theme is by Ayahi Takagaki, Satomi Akesaka and Haruka Tomatsu while the ending theme is by Saori Atsumi. The second season uses five pieces of theme music, two opening themes and three ending themes. The main opening theme is by Takagaki, Akesaka and Tomatsu, while the main ending theme is by Noriko. For the first episode, the respective opening and ending themes are and , both performed by Masaaki Endoh. The ending theme for episode 4 is "Nearer, My God, to Thee" performed by Takagaki, Akesaka and Tomatsu.