Sachi notices something going on between Erika and Nagi and decides to try to get to the bottom of it. Both she and Nagi are on the verge of a big decision.
To Onii's and Erika-chan's place, obviously.
.إلى منزل أخي وإيريكا-تشان طبعا
Ich geh zu Nagi und Erika.
A casa de Nagi y Erika.
Pues a casa de Nagi y Erika.
Chez Nagi et Erika.
Da Nagi ed Erika, ovviamente.
Para a casa do Onii e
da Erika-chan, é claro.
Я ухожу жить к Наги и Эрике.