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...
given that you were the reason 
that this came to be?
نظراً إلى أنّك كنتَ السّبب
وراء حدوث هذا؟
dato che sei tu la ragione 
che ha dato il via a tutto?
já que você foi o motivo para isso?