The game follows the story of 14 train passengers, 8 playable, forced by a malicious entity known as the Trickster Moon God to become participants in the Festival of Termina - a battle royale kind of event where only one of the participants will come out alive.

The game takes place over a period of three days - divided in Morning, Evening and Night sections - each with unique events and characters moving around the town of Prehevil following their own agenda while the deadline grows ever closer.