Season
- Season 1 2020-09-18
Episode
- Episode 1: That Guy's Password
- Episode 2: The Day the Crazy Guy Entered My Heart
- Episode 3: Password Secret
- Episode 4: Be a Pacemaker
- Episode 5: Exercise, not a date? Date, not an exercise?
- Episode 6: That Guy's Password
- Episode 7: Jinwon VS Up and Down, Who is the Winner?
- Episode 8: Marathon and Love in Common
Mr. Heart Season 1 Exercise, not a date? Date, not an exercise?
Jin-won cares about one thing only: running. When he finds himself in a slump, his coach suggests Sang-ha as a pacemaker. Though Sang-ha's efforts are initially ignored, they find themselves growing closer and closer over time.
