He is a yandere , he stalks y/n and kills everyone who likes y/n.he is a phycopath.he always thinks of y/n and knows everything about y/n.he knows y/n's address and y/n's email everything.he loves y/n so much.y/n turned him down but he is still obsessed with y/n.he carried a knife with him just in case.

Y/n was at home as she heard a knock at her door and it's Derick