Takahashi, a virgin boy who is not good at real (three-dimensional) women and escapes to the two-dimensional world of games and animation. "Riajuu die! He was a typical otaku character who would simply say things like, "What?", but he changed after meeting a wonderful woman, Nanami Kanzaki. Takahashi tries his best to be worthy of her. Will the day come when I can marry her!?