My Nemesis Found Out About My Secret Habit!

Nakazawa has a secret hobby, and he needs it to get off. One day, his nemesis, Samejima, catches Nakazawa indulging in some self-love and blackmails him, threatening to tell everyone. How could Nakazawa crumble at the touch of his arch-nemesis's hand? Slowly, a hobby Nakazawa used to keep to himself becomes something he can only enjoy with Samejima...!!

(Source: Renta!)