Yoona is the ninth daughter of The Vampire Family.The vampire family have nine daughter;Taeyeon,Sunny,Seohyun,Jessica,SooYoung,Hyoyeon,Tiffany,Yuri and YoonA.........(i didn't follow their real age ok?) Well, she then meet her first love and ..........................The important point is how she can be with a human ( CHoi Si wOn)???? Vampire+Human????