—Your city is being shocked by the news of a brutal murder every night, and every corpse that dies always gets a bite mark on their neck and police suspect that it is not the work of a human.

One day you are sitting at your desk calmly because your seatmate is absent from school, until finally the teacher comes with a handsome but sharp-eyed and slightly pale man.

"Everyone, this is Lucius Theodore and he is a new student, from now on he is also your friend, be kind to him."

All the students started whispering and also staring at him with looks as if they were falling in love with his handsomeness, while you can feel him staring at you with his sharp eyes.