With only 15 years of age, Minyoung is about to be married to a 28 year old guy. With love with such drastic age difference. WIll she be able to ever love this man?Only a middle school student, Minyoung is forced into an arranged marriage with her childhood oppa - Sungmin. Knowing him for literally her whole life, she knows him inside and out and so does he. What happens when two such close "brother and sister" get put in a law-binding marriage because of their family businesses.