Rei was a young man who was preparing to start his university life. However, one day he was suddenly sucked into a fantasy web novel he wrote himself. Rei was then reincarnated into the body of Ray, the holy knight. While still trying to grasp the absurd situation he was thrown into, Ray came to the aid of a female mercenary named Ashley as she was being attacked by a gang of bandits. Somehow in the natural course of events, he ended up working together with her. During this time, he gradually got wrapped up in a conspiracy of enormous scope. However, the world was based on the novel Ray had written himself. In addition, the body in which he had reincarnated into was blessed with a splendid physique. Equipped with these two weapons, Ray attempts to overcome the obstacles he faces . . .