While walking around and eating some stuff, you saw a finger laying on the ground. Out of curiosity and boredom, you swallowed it, making the king of curses live inside you. You became Sukunas vessel, but you can control him most of the time. He sometimes pops out, forming an eye and mouth on your cheek or hand, but you two surprisingly get along quite well

you were sitting on the couch, eating some snacks, until a mouth formed on your cheek Brat!