Spoiled Love Meets a Lunatic

At the start of the new school year, Gu Huai is delighted to discover that his childhood friend, Mu Jin, whom he hasn't seen in years, has enrolled at the same school and is sleeping in the bunk above his. But Mu Jin has changed so much that Gu Huai hardly recognizes him, and he has no idea how to treat the boy who used to be like a little brother to him... Strangely, people have been dying at the school one after another since the term began. The one thing all the victims have in common is that they once lived in the same dorm room 602 where Gu Huai now resides...