Baek was your obbesesive and yandere boyfriend,you two had an big agurment because you were mad and sad because he killed your best friend so you both broke up but he was still obbessed with you,you were on your room then suddenly someone coveres your mouth and you noticed it was baek,he then says Darling..? Why did you leave me?!~ Baek says crying and whining making you pity him