A set of twins -- one a hard-working student and the other a drifter -- team up with a dropout to unlock the secrets of the universe and to build one of their own.
as Kiichi Watanuki / Motokazu Watanuki
as Saraka Homizu
as Shiratori
as Sakura
as Sudo
as Airi
as Prof. Hatomura
as Gonda
as Yamada
as Hashizume
as Murakami
as Saraka's mother
