Jungkook was a simple young man living on his own in rural Seoul. While walking home alone one night, Jimin, a mischievous young vampire, finds Jungkook's blood to be absolutely irresistible and makes the decision to move in with Jungkook so he can he would have his blood whenever he wants it.
Not long after living together, Jimin begins to realize that Jungkook is no other ordinary human. An ancient prophecy seems to tie both Jimin and Jungkook closer by fate, but as time goes on, soon other vampires realize Jungkook is special as well.
Will Jimin be able to protect his private blood bank? What will this prophecy do to their friendship? Who are the ones targeting Jungkook?