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...
the main driver behind this plan is...
...سيكون الدّافع الرّئيسي وراء هذه الخطّة
la mente dietro questo piano è...
a principal força motriz
por traz desse plano é...
а ведь за этим планом стоит...