Due to postpartum physical changes, Riho suffers from hyperhidrosis and has become more sensitive than when she was single. While riding her bicycle back to her home after dropping off her child at daycare, she comes into contact with a pedestrian. She immediately apologizes, but her partner, Nakano, does not forgive her, and he stares at her sweaty chest and asks her to show him his sincerity, so he gives her a tour of her home. Riho, who has her weakness seized, is told by Nakano, but