Season 1 Episode
- Season 1 Encountering You By Accident
- Season 1 That is My World
- Season 1 Champion
- Season 1 Towards Tomorrow
- Season 1 Confession
- Season 1 With The Thought That It Must Be Forgotten
- Season 1 Like This... Will Be Forgotten
- Season 1 My Love, Cry Baby
- Season 1 High Speed Romance
- Season 1 Little by Little, Slowly Stepping Towards You
- Season 1 That Place, That Time
- Season 1 Don't Cry
- Season 1 Fly High
- Season 1 Smile, You
- Season 1 Let Your Dreams Soar
Heartstrings - Season 1 Episode 5 Confession
6.90 66 minutes A surprise kiss leaves Gyu-won, Suk-hyun and Yoon-soo stunned, and Shin ends Gyu-won's servitude.
