Au Pair: a young person, typically a woman, who helps with housework or childcare in exchange for food, a room and some pocket money. ==================== Park Jimin, an 18 years old student, who has a dream. In order to pursue his dream he has to move from his hometown, Busan to the main city, Seoul and study in the university that will make his dreams come true. But due to lack of money, he decides to take the job as an Au Pair and babysit 2 years old Jeon Jihan. Jeon Jungkook, a 21 years old university student. Because of some family issues he decided to move to the states. Jungkook always visits during holidays, for the sake of his baby sister. What will happen when one day, Jungkook comes home to find a cute intruder sleeping on his bed while cuddling his baby sister, half naked? Follow their journey 🙃