He spent high school with a shaved head, devoted entirely to baseball and never even holding a girl's hand. Now an adult, he agrees to coach a local youth baseball team and suddenly finds himself showered with attention from the older married mothers. Sewing enthusiast Nakayama brings him a handmade bag, while Tokushima arrives with vegetables from her garden. When these attentive moms begin visiting his apartment and he invites them inside, their age-gap neighborhood flirtation turns into an affair.