"Five Fingers" actress Jin Se Yeon will show off her piano skills. 

Jin Se Yeon plays Hong Da Mi, a girl who is the epitome of optimism and always smiles in the face of advertisy and earned the nickname of 'Smile Girl.' 

Jin Se Yeon had learned piano ever since she was little, so the role came much easier for her. She said, "After debuting, I hadn't had much time to practice my piano skills but appearing on 'Five Fingers,' I was able to sit down at the piano again."

She was spotted on set praticing when she could and in parts where she felt she was inadequate, she made sure to learn the part and play everything herself.

The crew on set say, "Her skills are amazing for someone who hasn't had time to practice because of her acting career. She's always practicing and trying to learn the piece if she herself is not satisfied with what she has done. It's really nice to see."