Woo-hyun was planning on hiding his crush on his homeroom teacher, but his best friend Do-ha finds out and confesses for him.
Heart Stain is a 2025 drama TV series from South Korea, starring Hamin, Kim Ji-oh and Kang Yeon-jae. It first aired on February 6, 2025. The series has 1 season and 8 episodes on Heavenly. Episodes run about 25 min, in Korean. Audiences rate it 7.4/10 from 10 votes — well received.
Heart Stain premiered on February 6, 2025.
The main cast includes Hamin, Kim Ji-oh, Kang Yeon-jae, Shin Si-ye and Kim Yi-gun.
Heart Stain has 1 season (8 episodes). Status: Ended.
No streaming service lists it for US yet. Add it to your watchlist and check back — availability updates regularly.
It holds an audience score of 7.4/10 from 10 ratings, so fans of drama titles are its best audience. Read member reviews below or add your own.
Every episode's audience rating at a glance — find the best (and worst) episodes before you binge.
| E1 | E2 | E3 | E4 | E5 | E6 | E7 | E8 | |
|---|---|---|---|---|---|---|---|---|
| S1 | – | – | – | – | – | – | – | – |
9+ Awesome8+ Great7+ Good6+ Regular<6 Bad
love trianglegay themefriends to loversbased on webcomic or webtoonboys' love (bl)
Hamin
Kim Ji-oh
Kang Yeon-jae
Shin Si-ye
Kim Yi-gun
Yoo Ho Su