[Minazuki Mikka] Sa.Ki.Ko.Sa.Re 2 ~ Fuuzoku de Hataraku Haha no Mise ga Gesu Kyoushi-domo ni Tokutei sarete... ~

Cant read Japanese, these is an assumption on what's happening. Flashback. Sons remembers mother being brought home by father, he has remarried. Mother attracted to little son, lets him touch her boobs and what not. Weird. Starts thinking about mother starts masturbating. Meanwhile, teacher getting blown by student, he is watching woman(mother) getting naked on website. Woman on website getting kissed by some dwarf weirdo, having her tits sucked. Now she is blowing some other Baldy and getting her huge tits sucked but no penetration. Teacher throating student imagines he is actually fucking woman on website resembeling nerds mom. In other scene mother giving blowjobs and titjobs but as soon as weirdo is about to penetrate, she slaps him. NO PENETRATION POLICY. In another place teacher now dressed up, gets a call he is accepted to the website where he can fuck their women, chooses milf resembling woman.