016HEZ-603 The adventure of a hikikomori. My stepmother, who used to be a yankii gal, worried about me because I only play online games. After having sex with her, our compatibility was amazing...! With newfound confidence and surging energy, I live a lif

I've always had the personality of wanting to make things clear, and I used to play around a lot when I was young, so I wanted to do something about the situation at home where my husband's son, who had remarried, would stay in his room and not come out. In order to rehabilitate her, I decided to become her son's sex practice partner who is interested in sex without telling her husband... Her son knew everything about a woman's body through his knowledge of internet information, and he was a monster with an incredible sexual desire!