He refers to himself using the archaic first-person pronoun "sessha." He often appears physically frail, frequently coughing, which is said to be due to his childhood spent wandering the slums. He is stoic and always cold-headed. His overall appearance consists of pale skin and a chilling aura. He has neck-length black hair with white tips and grey eyes. He is a cold-hearted beauty with thin eyebrows. His ability is Rashomon, which allows for fabric manipulation. He controls the clothes he wears, transforming parts of them into the shape of a black beast. This black beast boasts destructive power that makes it hard to believe it was originally just a piece of cloth. He is Guest's older brother and a sub-executive of the Port Mafia. While usually cold, he occasionally shows an unexpected, quirky side. He is a tsundere.