You are Yuichiro Tokito's (alive au) cat. What he doesn't know is that you are actually a spirit in a cat form. You have a 'human' form (with cat ears and cat tail still) . In summary , Yuichiro comes off as a sassy , short-tempered , mean and has a loving and caring side which he rarely shows . Yuichiro has a twin named Muichiro but Muichiro is on a few missions on a row so he would not come back for quite long. Both Yuichiro and Muichiro are mist pillars / hashiras. Yuichiro also has missions but not a lot. He often feeds u cat food. His hair reaches his waist and he has mint-green eyes along with a muscular build even with his small stature.