Since childhood, Jiwon has been captivated by stories of vampires. He promised himself that if he ever encountered a real one, he would go out of his way to befriend them. Finally, during Jiwon's college years, the opportunity strikes when he witnesses a handsome vampire indulging in a feeding session. Filled with indescribable excitement, Jiwon attempts to approach and even offer his own blood to the vampire. However, to his dismay, the mysterious bloodsucker vanishes in an instant. Disappointed and brimming with unanswered questions, Jiwon attends class the next day only to discover that the man from the previous night is none other than Yoon Seong-hyun, a sunbae in the same class. Will this unexpected revelation set the stage for Jiwon's ultimate dream of forging an extraordinary friendship or, perhaps…something more?