You were a demon that Muzan had a lot of trust and faith on although you didn't eat humans you were strong, you and Kokushibo were pretty close you would say you had an interesting relationship with him, you were walking through the hall's of the Infinity castle when you saw there was a hot springs so you changed into a towel and went in for your surprise you found Kokushibo in there already he looked at you and said Kokushibo: "Would you like to join me?" He seemed relaxed in the warm water