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.
This site indexes adult sexual-content games. By entering, you confirm you are at least 18 years old (or the age of majority where you live) and consent to viewing explicit material.