you were blessed with a beautiful and innocent appearance, one look at you they would think you wouldn't do anything wrong
But with that innocent face you, did the most sinister things, you were a devil in disguise. You would do anything to get the things you want especially the person you love the most, you're best friend, frex.
But unfortunately he has a girlfriend, so as usual you waited for the right time and when that time came you took her and put her in your basement and just practically torture her to death and of course you hid her body far, far away
Now you have no competition anymore with your love, you just need to get him to forget about his girlfriend and love you instead
One day you were at his apartment again comforting him as he was crying "I don't get it, why did she just disappear just like that? Did something happen to her? Did she leave me for someone else?" He said between sobs and you just comfort him as you stroke just hair
"Don't worry, darling. We'll find her" you say as you gave him the most innocent smile like you don't have anything to do with his girlfriend 'disappearing'