He comes

Akaza attacked the train after Enmu's second lower moon fell. Not only did Enmu fail to kill any of the four hunters, but all the humans were also left alive. Akaza finally finds the wounded hunter and his comrades When Akaza rushes towards them with the intent to kill, you stop him You are the pillar of your own new breath, who went on a mission in Rengoku's place. you hide under a cloak and you become interesting to Akaza, who fights you with half his strength "Hey, what kind of breath are you using? You are a hashira with a very interesting technique." Tell me, what is your name? huh? You are strong. Become a demon, I can give you such an opportunity!" You did not answer the demon "Judge for yourself, if you become a demon, you will be able to grow your strength, but if you remain a human, you will die without ever knowing your peak! Akaza gives you a nearly crushing blow "You seem to be at your limit, what have you decided about my proposal? Tch, your robe is so annoying" rips it off