DOPP-023 Mutual interference immoral incest erotic drama Mom, you're so much better than my girlfriend...

This is the story of a certain son. Tatsuo Kirishima is a son who is attending university in Tokyo and living alone. He is enjoying his student life in the city. He soon finds a girlfriend, Risu. However, living alone for the first time is making him homesick. He begins to appreciate the wonderfulness of his mother, something he only realizes now that he is away from her. Then, when his girlfriend says she wants to look at some old photos, he has a reason to come home. When he returns home with her, he is captivated by a charm about his mother that he had never noticed before. It is because she exudes an insanely feminine charm that is incomparable to his girlfriend...