Kaa-san no Ana Tsukawasete

1. Kaasan no Ana Tsukawasete ~ Kouhen ~
Sanae (Saki Usumi), a beautiful but tomboyish mother. Her husband, Yuichi, is away on a business trip, so her son, Keisuke, is in charge of looking after her. Sanae loves alcohol and drinks every night, but when she gets drunk, she falls asleep anywhere. And once she falls asleep, she's hard to wake up! One day, Sanae mistakes a drunk Keisuke for Yuichi and attacks him. The feeling of a woman's hole for the first time... From then on, secretly ejaculating his thick semen inside his mother's hole while she's asleep becomes Keisuke's new daily routine

2. Kaasan no Ana Tsukawasete ~ Zenpen ~
One month has passed since Keisuke began secretly ejaculating inside his mother Sanae's pussy. His father has returned from his assignment away from home. Keisuke, who has become completely addicted to the pleasure of his mother's pussy, has to endure a difficult period of abstinence while his father is home. A week later, when his father leaves for his assignment again, Keisuke thrusts his throbbing cock into his mother's pussy. Keisuke continues to secretly ejaculate inside her, but one day, something strange happens to Sanae's body...