PLEASE HELP!!!!!!!!!!

I’m trying to get this stain out of the back of my baby yoda AirPods case.
I’ve tried rubbing alcohol, eraser, nail pooling remover, perfume, hand sanitizer, and I even tried a hairdryer because I heard that made lead disappear
WHAT DO I DO??????
I don’t know if the Stain is marker, pen, pencil or something like that, and those are the only things it could be.

Please help me!!!!

PLEASE HELP Im trying to get this stain out of the back of my baby yoda AirPods case Ive tried rubbing alcohol eraser nail pooling remover perfume hand sanitize class=