A life-threatening message was left behind for Baek Hyun to find. In order to keep himself safe, he has to have 24/7 protection from the leading secret service. They send him an S-class member going by the code Frost. Sound menacing. Sound scary. Frost will keep him... wait... Frost is a 5'2 woman weighing only 46kg?! The f--   Warning: Some vulgar language and possible content in the future.