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Sanator: The Jewel of Monostructure is a dark fantasy visual novel that combines deep lore with exciting adventures. Who is behind the mysterious thefts and why are the gates of the Monostructure open again? Take control of Richard Murdock, the plague doctor, and find the answer.

Can a flat world resting on the backs of three demon bears live in peace? Of course not! Immerse yourself in the universe of the dark Slavic legends, explore the characters' stories and make difficult choices that affect the course of events. Bayun the Cat will help you. If you're lucky, that is.

Shiratori Ritsu, the sole male at Kirihara Academy for Girls and its priest, protects the school from demons but finds his sanity tested by the arrival of a new student, the one-hundred-year-old vampire Mary Harker, and a call from the devil, questioning his purpose in life.