Olivia is a nice, calm and shy girl who attends The Glory High School and she's from Separate the assassins, as she is a skilled killer and Peter is a professional old killer who is trying to take revenge on the glory organization, who gave his life for it, but they tried to kill him after his retirement, but with a miracle he returned. For his youth, he became a sexy and strong cold young man, and now he is attending the glory High School, trying to join the assassin class, and it is the class that will help him get close to the organization, so he joins the high school with the name "Kim Soongu" **

he enters the school Like his first day, the cries of the girls and the teachers followed his admiration.