Overview

One day, Yuki, who lives alone, meets a married woman, Nao, at a nearby pub. He ends up having a drink with his girlfriend who is at a loss after having a rift with her husband, but... After that, he became friends with her, and before he knew it, they began to have a physical relationship. Yuki gave Nao a duplicate key to her house, and when her husband went to work, Nao started heading to Yuki's house with a shopping bag in hand. Then, as if to relieve the loneliness of being a married couple, she begins to spend a lot of time in his younger boyfriend's room...