It gets under your skin with a sound more than an image: the drag. Hikiko doesn't chase, doesn't monologue, she takes an elementary schooler by the wrist and hauls them across the floor until there isn't much left, and the OVA is patient enough to let that play out instead of cutting away. The 2008 3D CG works in its favor here, all that stiff, weightless polygon movement makes her look like something that was never supposed to be rendered in the first place. And then the gut punch: her name, Mori Hikiko, reversed reads hikikomori, and suddenly the monster is just a girl her parents and classmates beat into a shape nobody wanted to look at. One episode, no arc, no redemption, just cause and effect. The horror isn't that she kills kids. It's that the kids are the same age she was.

Hikiko is a figure drawn from a Japanese urban legend, retold here as a single horror OVA made entirely in 3D computer graphics. As a girl, she suffered constant brutality from her parents and from classmates at her elementary school, and the ongoing abuse left her badly disfigured. Seeking revenge, she seizes elementary school students and drags them along the ground until they are horribly mutilated. Her full name, Mori Hikiko, hides a grim pun: read backward, it becomes hikikomori, the Japanese word for people who withdraw from society.