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...
there are some who are refusing 
to be affiliated with any place.
هناك مِمَّن يرفضون الانتساب لأيّ مكان
tem alguns que se recusam a se
afiliar a qualquer outro lugar.