DOPP-023 - Is it natural to find mom hotter than my GF? Crossing the forbidden line

Tatsuo, a college student living alone in Tokyo, has everything he wants, including a beautiful girlfriend. But deep down, he misses his mother. When he finally returns home with his girlfriend, he realizes his mother is far more alluring and feminine than he ever imagined. Unable to control his suppressed desires, he crosses the line into a forbidden, erotic relationship with her.