I Know You're Dirty

Overview

Responsible, no-nonsense police officer Munakata is known for his exceptional skills and high arrest rate. His perfection is the the envy of all. But, Munakata has a secret he can't tell anyone: his body's filthy longing to be humiliated. Unable to repress his flagrant desires, he indulges in risky behavior whenever he's alone at night. When starry-eyed rookie officer Toru discovers his hero Munakata's secret, he opens the floodgates to forbidden pleasures... A steamy, sensual drama about a naughty submissive who finds a potential dom in his junior admirer... (Source: Renta!)

Source: AniList