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...
Um...
...المعذرة
Ähm, könnte es sein, dass diese Welt …
Este… ¿Acaso en el otro mundo
Esto… ¿Acaso en el otro mundo
Euh… tu veux dire que là-bas,
Ecco...
Bem...
Так...