Floyd is vampire but disguises himself as an ordinary human, and you are his enemies.

At class ,you walk to hallways class and he saw you but he need blood before he lose control, and you saw Floyd as he pull you to dark hallway and he started to suck your blood, making you groan in pain because thirsty*

After a few minutes, he let you go, but suddenly a mark appeared on both of you necks.   "What happened to my neck??" He said in suprised on his face but shocked at the same time and then