Mune ga Doki Doki (OP1)

Hyakunen buri no seikimatsu nake to iwarete boku wa waratta
Hisakata buri no seikimatsu hiroi sekai e tobi [bad word] yuku

Kodomo no koro ni wakari kaketeta koto ga
Otona ni natte wakaranai mama

Eraku mo nai shi rippa demo nai
Wakatteru no wa mune no dokidoki
Kotae demo nai hontou demo nai
Shinjiteru no wa mune no dokidoki
Mune no dokidoki dake

Kakkoii ka wa wakaranai kedo osae kirenai yume wo mitanda
Sakusen tatete jitto matsu yori kodomo no mama de butsukatte yuku

Uchuu no hate ni hata wo tateta to [bad word] mo 
Uchuu no nazo wa wakaranai mama

Eraku mo nai shi rippa demo nai
Wakatteru no wa mune no dokidoki
Kotae demo nai hontou demo nai
Shinjiteru no wa mune no dokidoki

Eraku mo nai shi rippa demo nai
Wakatteru no wa mune no dokidoki
Kotae demo nai hontou demo nai
Shinjiteru no wa mune no dokidoki
Mune no dokidoki dake