Ai Kayano
Eight pieces of theme music are used for the series. For the first twelve episodes, the opening theme is "Colorful Box" performed by Yoko Ishida, while the ending theme is "Animetic Love Letter" sung by Juri Kimura, Haruka Yoshimura, and Haruka Chisuga. For episode one, the opening theme is sung by Tracy (Mai Nakahara, Shizuka Itō, and Ai Kayano), which is later used as the opening theme for the first OVA episode. For episodes 13 onwards, the second opening theme is performed by Masami Okui, while the second ending theme is performed by Donuts Quintet (Juri Kimura, Haruka Yoshimura, Haruka Chisuga, Asami Takano, and Hitomi Ōwada). The third and final ending theme for episode 19 is by Miyuki Kunitake. The ending theme for the first OVA episode is by Mai Nakahara. For the second OVA episode, the opening theme is and the ending theme is "Angel Fly"; both songs are performed by Rita.