Christmas's activites

I read this manga a while ago and want to reread it but I don't know the name. It was a yaoi manga where the main character was sold to a man with animal characteristic and the main character had like a slave contract that made it impossible for him to talk. It was not a colored manga that is all I remember.

this list is full, heres the 2nd one: https://www.mangago.me/home/mangalist/1476659/

includes policeman, investigator, agent, detective, lieutenant, spy, undercover, inspector, prosecutor, ex cop, officer, military, soldier, navy, army, special force, security guard, bodyguard, mercenary, profiler, retired soldier, operative, sergeant, warden, hitmen, secret identity, crime prevention organization

»» feel free to recommend if u liked the list or it was quite helpful ««

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