The Siren & The Five Knights

Nam Bada is a descendent of sirens and has an astounding singing ability. Some might say it's magical. She has always wanted to become a singer, her voice always wants to freed. Yet her mother warns her not to because it's dangerous. But why is it dangerous? Nothing has ever happened to her. Shrugging off all the warning of her family, Bada joins a entertainment company and becomes friends with 5 boys who eventually find out her secret. Will they protect her or hand her over?