An adult visual novel game, "Kitagawa Yuko" (39 years old), depicts a single mother who lives alone with her son, "Kitagawa Hiromi" (20 years old). Her husband ran away, leaving her burdened with debt. Then the relationship between mother and son crosses the line due to accidents and circumstances.
An adult visual novel game, "Sayako Ishihara" (44 years old), A mother who loves her only son very much. for some reason, at the encouragement of the viewers, they might cross the boundaries of a normal relationship between mother and son. They might have an immoral relationship. Will they?