Anise Yamamoto has been told that if she ever removes the rose choker given to her by her father, a terrible punishment will befall her. Unfortunately she loses that choker when a bat-like being named Ninufa falls from the sky and hits her. Ninufa gives Anise four cards representing four knights whom she can summon with a kiss.
But now that she has these gorgeous men at her beck and call, what exactly is her quest?