SEXUAL LESSON

Narumi is a young woman who has been friends with a boy since childhood. One day, she unexpectedly walks in on him while he is playing an erotic game. The encounter sparks a shift in their relationship, as Narumi becomes curious about the sexual content she witnessed. She decides to confront her friend about his hobby, leading to an awkward but revealing conversation that blurs the lines between their platonic bond and newfound desires. As they navigate this uncharted territory, their friendship is tested by the tension between innocence and temptation.