Not My BloodNew제 피는 안 됩니다; You Can't Use My Blood

A sweet contract romance between a vampire and a human! Siyun accidentally meets Jinwoo, a famous vampire director of a well-known foundation, at a caf. He offers him a matching partner proposal where he would provide him with his blood. "Im already anemic and short on bloodwhy me of all people?!" As their affection deepens, what will become of them?