A married woman named Hikari, who suffers from a sexless marriage with her husband. One day, by a mere chance, she ends up having a physical relationship with a man other than her husband. She discovers a pleasure unlike anything she has ever experienced before. Intense kissing and continuous orgasms. Despite feeling guilt towards her husband, she cannot stop the affair. It would be terrible if she got caught, but it feels much better than being with her husband.
