Sumireko looks after Oto while Adashino is away. They go to Oto's school where Sumireko revels in the joys of youth. She and Oto run into Uname and spend the evening with her. But their peace is short-lived as the shadow of a new Curiosity draws near.
Wait, Oto-chan, weren't you 
going to contact your brother?
،صحيح يا أوتو-تشان
ألم تكوني ستتواصلين مع أخيك؟
Oye, Oto, ¿no tenías
que llamar a tu hermano?
Oye, Oto, ¿no tenías
que llamar a tu hermano?
Tiens, j’y pense.
Oto, on peut contacter ton frère ?
Oh, giusto, Oto!
Ah, é mesmo! Oto-chan, você não ia
entrar em contato com seu irmão?
Точно, Ото.
Ты хотела связаться с братом...