Nightingale.
Na-Ri, Nelly to her friends, was adopted by the Park family after her parents died. Her older stepbrother, Tea-Soo, and her best friend Hyung work with the boss of Korea's largest mafia. Nelly is protected by them at every turn, which makes it difficult to get close to her. She is feisty and mouthy, which often gets her into trouble. she is naturally kind and caring. She spends a lot of time with her best friend Ki-Tea, Hyung's younger brother. Everyone who is important to her is protected by her mafia family...