It is a comical study abroad story created by the main character, Leona, who struggles to hide her secret, and her dorm roommates. As a college student who came to Korea from China to study, Leona is a beauty that makes even passers-by look back. However, she has a secret to maintaining her beauty by slimming her original fat body with 'magic correction underwear'. Adapted from a webtoon by Kang Se Romi.