Ryūnosuke Akutagawa (芥あくた川がわ 龍りゅう之の介すけ, Akutagawa Ryūnosuke?) is a member of the Port Mafia and has the ability Rashōmon. Akutagawa's ability Rashōmon (羅生門, Rashōmon?) transforms his overcoat into a dark monster capable of slicing through anything, even space itself. He can also use his ability with other clothing.