OpeningThe opening theme is "Sorairo Days" (空色デイズ, Sorairo Deizu?, lit. "Sky-Blue Days") by Shoko Nakagawa. Starting from episode seventeen, the second verse and chorus was used, as compared to the first verse and chorus used in the previous episodes.
For episodes one through fifteen the ending theme is "Underground" by High Voltage.
"Happily Ever After" by Shoko Nakagawa was used episode sixteen. "Minna no Peace" (みんなのピース, Minna no Pīsu?, "Everyone's Peace") by Afromania was used for episodes seventeen to twenty-seven.