Betrayal Midday Break, Lies And Shame. Megumi Meguro - Meguro Meguro

Megumi Meguro is a married woman feeling trapped and unsafe in her current living situation. She meets a mysterious homeless person who turns out to be a martial arts coach, and he begins to teach her self-defense techniques, which eventually leads to a cheating wife scenario involving intense creampie and doggy style sex. As their illicit affair progresses, Megumi finds herself torn between her marital obligations and her newfound desire for this other man.