In Seoul Music Academy, all great music players attend it. The whole population only totals to be four hundred. But within the group, exists SOUL. Every year, the top twelve students are chooses to be in this exuberant group. Twelve, and twelve only. They are the elite of the school, each unique and different in their own way. But what happens when a new student joins them among the ranks? What happens if that person happens to be a girl? And what if she can't play music?

Our heroine's name is Choi Minhee. Daughter to two famous violinists and twin sister to SHINee's Minho. She is the most sarcastic and short-tempered person you'll ever meet. She is a master prodigy with the violin. But because of an incident during her childhood, she gave up the violin and took up piano, even though she is terrible at it. At Seoul Music Academy, she'll find old friends, new enemies, and unexpected love.