Mujikaku na Osananajimi to Kyoumi Honi 2

After it all started out of simple curiosity, Hiroki and his childhood friend Meiko began a secret relationship. Hiroki is completely hooked on sex with her and now even at school he gets a thrill from the hidden adrenaline when they do it in secret. With each new time, Meiko also gradually changes, but Hiroki, reveling in his superiority over his classmates who only dream of sex, completely loses his head and stops noticing what is happening around...