U Hyeon has a secret crush on his handsome young teacher, so when Do Ha, his best friend, finds out he makes an unexpected proposition - to date each other till graduation. Will U Hyeon accept? And what exactly are Do Ha's true intentions?
Where to Watch Heart Stain
1 Season
Season 1
Season 18 Episodes
Cast of Heart Stain
HaminPark Do-ha
Kim Ji-ohYoon Woo-hyun
Kang Yeon-jaeNam Jeong-min
Shin Si-yeLee So-ri
Kim Ye GeonKwon Jun Su
Yoo Ho SuPark Tae Min
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