Seo Hyeon-ju (Jung Jessica) and Seo Hyeon-ji (Kim Taeyeon) are fraternal twins who are so different from each other. Hyeon-ju is a Kpop star, classy, feminine and a talented singer and artist. Hyeon-ji on the hand is a black-belter in Taekwondo and the team captain of her schools soccer team, a tomboy, dorky, doesn’t care about appearances and all around the exact opposite of her twin sister. Struggling t