Alt. title: Pireul Bachigetseumnida; Dedicate My Blood to You; 为你献血; 피를 바치겠습니다.
Ozae is a blood-drinking monster known as a Bat. Knowing his secret, Seoho offers him a deal. Initially wanting nothing but his blood, at some point the beautiful Ozae finds himself wanting all of Sheoho. While Seoho also soon falls for the beautiful man. How will their dangerous and dizzying dance end?