Haruto, a young engineer with a passion for video games, never expected that a simple trip to the train station would thrust him into an unknown world where magic is forbidden, science is heresy, and the Church rules with an iron fist.

Trapped in this cruel universe, he must learn to survive by relying on his modern knowledge and unexpected allies as he journeys through forests, caves, villages, and cities dominated by forces that want him dead.

Meanwhile, Elena, a fugitive princess, tries to escape a grim fate when her kingdom falls into the clutches of the clergy. Accompanied by Hildebrand, a loyal guard willing to do anything to protect her, she seeks to save her homeland.

As the Church tightens its grip, fate brings their paths together. Faced with a deadly threat, they must risk everything. But in this world where magic, science, and faith collide, what price will they be willing to pay to survive?