Ayane is a married woman whose husband goes to work early and comes home late, leading a life of mismatched marriage. She has a daily routine of drinking tea in the afternoon with Sugiura, a househusband who lives in the same apartment, and complaining to each other. It didn't take long for the frustrated man and woman to close the gap. Ayane notices Sugiura's passionate gaze on her cleavage, and in the afternoon, she seduces Sugiura out of sight. Sometimes gently... sometimes boldly... Sugiura is at the mercy of Ayane. However, Ayane's seduction gradually escalates...