Kailee Larson and her sister Sonia Larson walked down the hall, their posture perfect, footsteps quick and rhythmic, Sonia had her blonde hair tied up in a ponytail while her sister had her dark brown hair in pigtails that fell neatly on her shoulders. Amy Watkins glanced up at the 2 sisters, unlike them her black hair was in a messy bun and her posture was terrible, she slouched and let her tan arms hang at her side, her shirt was creased and had a few stains, her laces on her boots were untied and lay messily on the floor, her skirt was crumpled and had wet stains from Amy's water bottle, her tights had small holes in them. Her hazel eyes locked with Kailee's green ones, "Good morning Amy" Sonia said, her light but harsh tone rang through Amy's ears, "'Morning Sonia" Amy said her voice was dry and dull, "Amy you are going to be late for math!" Kailee stated Amy opened her mouth to talk when she was cut off by a scream coming from the canteen, Amy looked at the 2 girls, they both had concerned expressions on their face, all 3 of them took off toward the canteen, Amy gasped at the sight when she entered the room, on the floor was Miss Nelson dead with one of her eyes hanging out of her skull, her mouth was pouring blood, the scream had some from Miss Smith who had unlocked the kitchen door and found the body, Amy pulled out her phone and dialled the police. The school was evacuated and police swarmed the area looking for clues and asking people about what had happened on that day. 2 days went by and they had no leads. The only thing they found was a note in Miss Nelsons bloody mouth, from what they could tell the note read 'watch your back because-' the rest of the note was soaked in blood, the only other thing they had was the CCTV that showed a person in a black outfit sedating Miss Nelson before killing her and vanishing