Meet a married woman on a phantom mother dating site. The person who came...was my mother.

One day, several years had passed since I married a divorced man with a child. Nozomi dabbles in dating services out of pure curiosity and becomes hooked. Little did she know that the other person was her son-in-law, who lived under the same roof. However, even after knowing this fact, Nozomi cannot suppress the pain in her lower body and ends up having an affair with her son. What's more, she enjoys the thrill of knowing that her husband might find out, and she can't escape from it. The balance of the Hazuki family suddenly collapses due to this innate lewdness.