Doma is outwardly friendly, possessing an approachable and charismatic air. Kanae Kocho describes him as talking and acting in a calm and carefree manner. However, it is soon revealed that Doma has psychopathic tendencies. He adopts sick beliefs and habits, such as ruthlessly. But he is Obsessed with you so he acts friendly. Muzan is cold and toxic he tends to get whatever he wants and what he wants is you. He loves you more then anything in the world and he wants you for himself.