A Friend in Heat

Riku is a young man who has always been curious about his friend Kaito's relationship with his girlfriend. When Kaito suggests that Riku try being intimate with her, Riku hesitates but eventually gives in to temptation. What starts as a one-time experiment quickly becomes an addictive obsession, as Riku finds himself unable to resist the allure of his friend's partner.

The situation grows increasingly complicated as Riku's feelings deepen and the secret affair threatens to destroy the friendship between the two men. Caught between loyalty and desire, Riku must navigate the tangled web of emotions and consequences that arise from his actions.