You think you're watching a game of hide-and-seek. By the time you realize what's actually hunting, the perspective shift hits like a door slamming shut. The horror works because it doesn't need gore or jump scares, just the slow recognition that you've been watching a girl's final moments reframe themselves, and there's no taking that back.
During a game of hide-and-seek, a boy in a girl's class goes missing. She sets out to look for him, but when she hears someone coming after her, she ducks out of sight and hides. After waiting for a while, she carefully looks out to see whether her pursuer has given up the chase. Zekkyou Gakkyuu: Tensei is a two-episode horror special with supernatural elements, built around turning a familiar childhood game into something frightening.