Yuna Shin has been married to her husband for ten years after working together at the same company. Her husband cheats on her with one of his subordinates, leaving their relationship cold. One day, an old colleague named Oshima appears before her. They were once close friends but haven't seen each other in a while. As they reminisce about the past, sharing stories and finding solace in each other's situations, their lips and skin touch intimately. Eventually, they end up engaging in a lustful six-nine intercourse session fueled by sweat and sexual fluids in a room with a broken air conditioner...
