Rumiko Hiiragi is one of the six students ensnared in a supernatural time loop. She repeatedly dies during the "body search" game, encountering fatal outcomes across multiple loops. Her documented deaths include being impaled on glass shards in Loop 1, off-screen deaths in Loops 2–5, crushed by construction materials in Loop 9, and devoured by the hybrid entity in Loop 10. She appears as part of the central group in the live-action film *Re/Member* (2022).