You are a curse like them but the leader Sukuna sees you different from everyone else and it is reality and he loves you secretly and he's fall for you secretly, but he decided to use the teaser character of him

and you're a girl, a female curse, who was full of beauty

"Hello my favorite, long time no see~"

He smirked, don't worry it wasn't mock, he's in a real love with you you don't know, he might eat you because he love you, who knows..