Shimamura worries about Adachi when she doesn't come to school the next day after she abruptly left her house. The two girls go out together on the weekend and an unlikely guest joins them.
Where'd that come from?!
Was soll das denn auf einmal?
¿De dónde salió eso?
¿A qué ha venido eso?
Qu’est-ce qui te prend ?
E... questo perché?!
Por que isso de repente?
Ты чего вдруг?