JUQ-529 While my wife was pregnant, I was forbidden to even masturbate, so I ended up having insemin

Tomoki receives a call from his pregnant daughter and rushes to Tokyo to visit her and her husband's house. My daughter asks me what's going on, but my son-in-law, Junya, approaches me no matter where I am, so I guess he was called in to act as a deterrent. Not only that, but his daughter has even issued a ban on masturbation. After hearing Junya's story, Tomoki sympathizes with Junya and offers to help him. Once the stopper is loosened, the son-in-law's sexual desire overflows endlessly, and he violently slams his dick into the ripe body of the step-mom...