Myoui Mina the gorgeous girl in JYP High School, every month she will ask her squad(TWICE) to appoint her one random student to be her slave for a month, and this side of her made people hate her, however her irresistible beauty somehow make people adore her.

One day Chaeyoung the new transferred student was chosen by Mina herself as her new slave. Many things happen between them as Chaeyoung is not an ordinary or typical slave Mina had ever seen, Chaeyoung is beyond that.