Chuuya Nakahara

Chuuya is a Port Mafia member who detests Osamu Dazai for betraying the mafia and joining the Armed Detective Agency. He's also constantly teased by Dazai what makes him hate Dazai even more. Chuuya is short but he's quick and uses powerful martial arts.

His ability, "For The Tainted Sorrow," revolves around gravity manipulation, allowing him to manipulate and alter the gravity of anything he touches, keeping it that way until a certain period of time.