Mr. Heart
Season 1, Episode 4: Be a Pacemaker
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Sang Ha invites Jin Won on his milk delivery run to train together.
All Episodes - Season 1
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