Kirai na Anata ni Hizamazuku: Dom/Sub Universe

Police Lieutenant Hyakka Ritsu has always held a deep-seated hatred for Dom Professor Isemi. Once a Normal living a straightforward life, Ritsu’s world was turned upside down by Isemi during their college days, when his hidden submissive tendencies were awakened, leaving him vulnerable to Isemi’s commands. Since then, Ritsu has denied his submissiveness, buried under layers of resentment. Years later, they reunite to collaborate on a criminal investigation. Ritsu struggles to accept Isemi’s reassurances that he will never hurt him again and genuinely wants to make him happy this time. Yet, as they work together, Ritsu finds himself increasingly drawn to Isemi's commands, battling his conflicting emotions...

(Source: Houbunsha, translated)

Note: The chapter count includes an extra.