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...
Engaged?!
!خطبتُما؟
Eine Verlobung …?
¿Te prometiste?
¿Estás prometido?
Vous êtes fiancés ?
Fidanzati?!
Noivado?
Помолвлены?..