Nino isn't happy that Futaro is beginning to get along with her sisters, so she takes matters into her own hands.

Futaro falls ill after Miku feeds him a hefty serving of croquettes. Nino makes the situation even worse than it needs to be.

It’s the last day of camp school. Itsuki is missing. Futaro thinks he knows where to find her, but he’s sick and shouldn’t be wandering in the snow.