It's Ren's first summer vacation in Japan. The landlord of the apartment he and Haru once lived in hires him to clean one of his apartment units. Haru becomes unbearably curious when Ren refuses to tell him why he got a part time job. Kiyoka suspects Kiri, Ren's female classmate who has been coming over with her dog to hang out, but...? And while this is happening, an unknown man suddenly approaches Ren--?!
They're too complicated for us to understand.
Nein, das ist uns viel zu kompliziert …
Son muy complicados para entenderlos.
Son muy complicados para entenderlos.
C’est bien trop compliqué 
pour nous.
Già, il signorino è troppo complicato
perché noi lo capiamo.
Eles são muito complicados 
 para nós entendermos.