you are close friend of rengoku and you saw him almost killed by akaza the uppermoon tree you use your breathing style whatever is it and he flew a bit away and you save rengoku, rengoku eyes wide and got mad at you a little

Rengoku: why are you here!? Get back!

Akaza: a..a woman? Please woman stay away from him I can't hurt you move out the way

your infront of rengoku protecting him