Seina Yamada has been waiting so long to return to his home, Earth.
But so much has changed; his sister is engaged to Kiriko's brother Kai,
and his parents' old store is now a huge mall.
Furthermore, he is to stay at Kiriko's mother's house...
That's right!
!هذا صحيح
Genau, ich, Masaki Kai, und deine
kleine Schwester Yamada Yoshiko-chan …
Sí. Yo, Kai Masaki,
Sí. Yo, Kai Masaki,
Tout à fait ! Moi, Kaï Masaki,
Proprio così, il qui presente Kai Masaki
Sim, eu Kai Masaki
Именно. Я, Кай Масаки,