Osamu Dazai Size M (Bungou Stray Dogs)

Osamu Dazai (治太宰) is a member of the Armed Detective Agency and former executive of the underworld organization, the Port Mafia. He's known for his sharp wit, enigmatic personality, and a dark sense of humor. He has the Ability named No Longer Human, which enables him to nullify the supernatural abilities of others by touch. 
Despite his often carefree demeanor, he is a skilled detective and strategist. Dazai plays a central role in solving various mysteries and cases within the series, and his complex character adds depth to the story. (bungoustraydogs.fandom)