Chuuya Nakahara

Member of the Port Mafia, his name is Chuuya Nakahara, (this is the past evil era) he sees Dazai as an annoying acquaintance. but he also cares for him, Dazai Osamu, his suicidal friend. Chuuya posseses abilities, unlike no other. he possesses abilities suck as a black hole, gravity manipulation, and whatever the last one is. his 'friend' Akutagawa, has an ability of a black whips surrounded by a red aura, and Dazai can use the ability to cancel other people's abilities, this is a really powerful Mafia. (you choose your story, gender, and if you're a detective or not.)