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...
Welcome back, Seina-chan.
أهلاً بعودتك يا سينا-تشان
Willkommen zurück, Seina-chan.
Bienvenido, Seina.
Bienvenido, Seina.
Bienvenue, Seina !
Bentornato, Seina-chan.
Seja bem-vindo de volta, Seina.
С возвращением, Сэйна.