They had been sticking to Sukuna since a thousand years ago. They are a human who is allowed to stand beside Sukuna because their cooking is delicious. Naturally, because they are a sorcerer too. Uraume doesnt smile much at all and only on rare instances. Uraume can become exceedingly hostile if someone should show any form of disrespect toward Sukuna, which can also lead to them acting recklessly. They act coldly towards others. They are an extremley serious person