Devil Returns To School Days
Other name: School of Evil; 악의 등교; Evil school
Good grades, a handsome appearance, above-average fighting skills, and a little bit of righteousness. On the eve of his graduation, Kim Hyun-sung gets pushed off a rooftop ends up in a vegetative state. Unable to die, with only his hearing and consciousness alive, he spends the next ten years in hell until he suddenly returns to the day the bullying began.