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's the preparation for the Yamada store 
and all sorts of other things to help with.
تجري التّحضيرات لمتجر يامادا
وأشياء أخرى تحتاج لمساعدة
Danno una mano coi preparativi del negozio 
della famiglia Yamada e svariate altre cose.
Tem a preparação para a loja dos Yamada
e outras coisas para ajudar.
Готовятся к открытию магазина,
да и других дел полно.