Lovely Plasma [Tentative]

A little human girl fell from the Cento Manor. The manor is owned by two twin vampire brothers. They decide to enjoy some cute plasma together and play some little game of I bite and you guess. One day. The elder brother licked the lips that had just been kissed and asked his younger brother gloomily: "Did you kiss her yesterday?" The younger brother narrowed his eyes: "Does she think you are me?" (This is a joke, and details will be filled in) Intention:.