05 years old little Se-Hun and his dad meet in a car accident. His dad saves Se-Hun giving his life. Se-Hun gets injured badly, and the only way he could live, is using the vampire formula invented by his mom, who's a doctor. Se-Hun gets his new life, as a vampire. Because of seeing his dad's death in front of his eyes, he suffers from a mental condition. He can't be in a vehicle alone. His mom opens an interview to find someone to accompany Se-Hun while he's driving. A little girl named MeiHui gets selected for the position. How it would be a cute little girl dating a vampire? Keep on reading. This story will stay in your mind forever.