My (really) weird friend! <3

oki so I have a rly weird friend! to cut it short, she's in love with me for sum reason (idk why?? what did I do im just a girl in this world) I told her I like her, and I am bi, but I only see her as a friend. she respected that for the next 2 years that we were friends. but she got really... possessive?? when I started to be more confident to make more friends, she suddenly started telling me lies about them... I let that slide btw lolz. then she started having beef with my literal COUSIN like what the sigma??? she got jealous of her, yeah, and forcefully tried to separate me from my other friends... yeah what the heck. she squeezed my hand so hard it hurt when my other friend called me "baby girl" jokingly... idk what to do... she s3xu@l!zed the literal abuse of my TWO YEAR OLD COUSIN and that was my breaking point! she is a fujoshi, who obsesses over me to the point its literally making me feel unsafe/uncomfortable and S3XU@L!ZES my two year old cousin. what do I do?? im scared...