Felix is a prince who doesn't like showing his real self to people and acts a little too perfect and Hyunjin is his bodyguard who hates Felix's perfect mannerism

Felix, the son of an important businessman, has always wanted to go to a real school but his parents were very protective and always had him home-schooled with the plan of him taking over the family company. He finally convinced them to let him go to high school out of the state, in Seoul.. with one condition. He had to stay with one of his mom's friends at her house and share a room with her son, Hyunjin, who is not so impressed by Felix.