everyone at hogwarts knows mattheo riddle is a lost cause. the son of voldemort is volatile, dangerous, and slowly drowning in the dark legacy his father left behind. he is a poison spreading through the castle walls, his very existence a warning to stay away. but y/n has never been good at following warnings. when she finds him unraveling in the shadows of the astronomy tower, she makes a dangerous choice: she decides to be his antidote. she thinks she can play the doctor, pull the venom from his veins, and fix a soul that everyone else claims is shattered beyond repair. but curing a riddle comes with a terrifying price. the deeper y/n falls into his twisted world, the more the lines blur between salvation and ruin. she's trying to cure his disease... but she might just end up catching it instead.