Professor's Debt

줄거리

Do-kyung, a former aspiring singer, now works as a vocal trainer. She is assigned to Hee-won, a talented trainee with a beautiful voice who suffers from severe stage fright. Hee-won believes that Do-kyung is the only one who can help her overcome her anxiety and has also developed feelings for her. Their professional relationship becomes complicated by Hee-won's romantic interest and her cautious approach to their dynamic.