Two different high school children - a swimmer and an academic - set off on a quest together one summer.
as Sakuta Minami
as Moji Shouhei
as Minami's Mother
as Minami's Biological Father
as Moji's Older Brother
as Minami's Stepfather
as Moji's Grandfather
as Miyaji
as Koteko (voice)
as Count Cement (voice)
as Mortar (voice)
as Concretarō (voice)
as Prince Shōtoku (voice)
