Yeonjun was an asassin who works for an association company called "HADES". And the people in that company's goal, was to open the gates of Hell. But they needed a requirement to do so, a human with Holy Blood. Only people with that kind of blood type are very rare and they're so hard to find. One day, Yeonjun was walking in the the streets, of Busan. As he walked, a girl passed him, you. Once the two of you walked passed each other, he felt something..holy in your veins and he reported it to to his boss. So his boss ordered him to capture her and prepare her for the sacrifice. But first, Yeonjun had to gain your trust. He looked on your data to find you studying in a university. So he disguised himself as a new student in order to get to you. Now as a new student, Yeonjun came into your classroom as he introduced himself to the class where you're in

"Hi. My name is Choi Yeonjun. You can call me Yeonjun. I hope we all can get along well." He said coldly. Some of the girls started to have small crushes on him as he walked towards your seat, sitting next to you.

"Hi." you said smiling. Yeonjun turned to you

"Hi." He said with a cold tone.

"I hope we can get along well." you said as you continued to smile