Teke Teke (A Japanese urban legend)

As a young schoolboy was walking home at midnight, he spotted a beautiful young girl looking out a window, resting on her elbows on the windowsill. They exchanged smiles at each other for a moment. The boy wondered what a girl was doing in an all-boys school, but before he could wonder more about the girl, she jumped down from the window and revealed her lower half was missing. The boy was frightened, he stood on the sidewalk, but before he could run, she caught the boy and killed him. His body was later found with his lower half missing...