Yokorenbo: Immoral Mother

Junko lost her husband ten years ago and has been living alone all this time, raising her son Ryu. When Ryu grew up, she sedated him and made love to him late at night. She was tormented by guilt, but her passion was stronger. Two years later, she got married...

Ryu remembered the night his mother took his virginity, and when he saw her having sex with her new husband, he felt jealousy and an irresistible desire to possess his mother as a thing.