Sekai wa Hikari no Naka ni - Kurayami no Meikyuu
Description
During a school field trip to a cavern, after being warned about CHUDs, Hikari strays from the path and ends up alone in the darkness.
Alternative titles
- The World Inside the Light - The Pitch-Black Labyrinth
- 世界わ光のなかに～暗闇の迷宮