Snow is laid up with a cold, but the local doctor is out of medicine. While the landlord heads to the mainland to restock, Suishi seek a cure on the Internet.
The landlord leads an outing to pick up some used furniture and introduce the family to the local town. But when they arrive at the seller's house, they receive disheartening news...
While Ashisu attempts to stop Aisuri's rampage, the sisters reflect upon the divergent paths their lives have taken as guinea pigs for their parents' experiments.
During their expedition to their old home, the family shares bittersweet memories about their lives left behind. Meanwhile, Suishi meets the family's landlord.
After learning that the owner of their new house is coming back, Tanisu and his family return to their old home in search of medicine that will make the others appear human.