You play as リアナ, a young holy knight sent to investigate a series of monster attacks in the remote town of リブリット. While solving the mystery, she faces dark forces and challenges that test her resolve. The game blends dungeon exploration with adult-themed scenarios, including defeat H-scenes, clothing damage mechanics, and prostitution opportunities based on player decisions.Players can complete a virgin playthrough, though losing to enemies unlocks CGs and H-scenes. Events include interactions with townfolk and other adventurers, leading to multiple endings.