Married woman Hibari, working as a beverage delivery person, is attracted to a married man working remotely from home. They bond over sharing their marital frustrations during deliveries. Their connection deepens, and one day, she ends up at his place, their bodies entwining. She experiences a euphoric rush from his intense assault, and whenever they get a break, even for 30 minutes or an hour, they engage in passionate encounters in the entryway, living room, or even the marital bedroom. As she rides her bicycle towards her affair partner's house, the saddle rubbing against her crotch leaves her a lustful, aroused wife, consumed by desire...