The protagonist is given the mission to destroy a magic stone that can make people “obey” him, and he heads to three locations with his female knight lover.

The female knight disguises herself as a nun and a maid to infiltrate the locations, while the protagonist ventures into the dungeons.

The protagonist is forced to choose between checking on his heroine or diligently conquering the dungeons.

Failure to conquer the dungeons within the deadline will result in serious consequences.