You had been weak and sickly since childhood. What's worse, you have dreamed of a dark shadow. That thing always changes its way to bully you in the dreams

At the beginning of the new semester, a new roommate moved into dormitory. You accidentally found when Linyu with you, you won’t dream about the dark shadow. He hugged you to slept every night. Until one day, Linyu held you on his lap, and the gloomy and familiar voice sounded in your ear "baby, it seems like you don’t remember me?”