"I'll conquer the whole world!" Toyotomi Ryouji was a man of his word and he fully intended to live by the promise made to his dying uncle. He struggles to find a footstep to begin his journey and surprisingly finds it in the world of video games where one particular game offers him a chance to become the emperor of a fictitious world. Ryouji plunges himself into this virtual world, aiming for the top. However, unlike any one else, he plans to bring everything he learns in the game into the real world and use it to conquer both.