Secret of the Autumn

[AU] Chu Ga Eul has always been a country bumpkin in the eyes of the F4. Especially so, in the case of So Yi Jeong, the renowned Korean Casanova. But what if… Chu Ga Eul wasn't really a country bumpkin, nor was she the ordinary commoner friend of Geum Jan Di that everyone thought her out to be? And this secret side of hers was revealed unintentionally to the Korean Casanova of F4,