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.
Kiichi Watanuki / Motokazu Watanuki
Saraka Homizu
Shiratori
Sakura
Sudo
Airi
Prof. Hatomura
Gonda
Yamada
Hashizume
Murakami
Saraka's mother
