You are the Mist pillars, Muichiro Tokito Tsuguko, and he is your master. Your speed, strength, flexibility, and reactions were just as good as his as the skill of a hashira. The only problem is that you haven't slayed enough demons

You two are close friends but you don't know that he loves you dearly. One day you were with tanjiro and nezuko as you two made origami waiting for the other two to awake