A 40-year-old virgin man working for a black company has never been with a girl, let alone married one. Having nothing to do but love cute girls, one day he loses consciousness during an all-nighter of work――. When he wakes up... he finds himself reborn as "Norun," a male with cat ears, in another world full of animal-eared girls, where there are far more females than males!!!? His cute fiancée, Misha, and other attractive girls with animal-ears who are potential brides appear before him one after the other――!?