It Might be Illegal Romance
Couples that fall in love and then find out that they might be half siblings. this is usually resolved later when they find out it was a mistake or part of a plot to keep them apart. I will also include couples that have a complicated family/almost family connection, like step siblings, etc....
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![My Father Is Strange]()
1. My Father Is Strange
Korean Drama - 2017, 52 episodes
Family drama.
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![Hotel King]()
2. Hotel King
Korean Drama - 2014, 32 episodes
melodrama revenge
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![Bride of the Century]()
3. Bride of the Century
Korean Drama - 2014, 16 episodes
romcom with shady business and ghosts - second lead is the half brother of the leading lady's doppleganger.
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![Autumn Tale]()
4. Autumn Tale
Korean Drama - 2000, 16 episodes
Tragic story.
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![Devil Beside You]()
5. Devil Beside You
Taiwanese Drama - 2005, 20 episodes
a high school would be couple, find out they are about to become step-siblings.
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![That Winter, the Wind Blows]()
6. That Winter, the Wind Blows
Korean Drama - 2013, 16 episodes
Great cast and story. The end was open for interpretation. I chose to believe the the positive but it could have been interpreted as a tragic ending also.
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![The Smile Has Left Your Eyes]()
7. The Smile Has Left Your Eyes
Korean Drama - 2018, 16 episodes
Tragic Ending
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![I Will Never Let You Go]()
8. I Will Never Let You Go
Chinese Drama - 2019, 51 episodes
1st half of drama is light, funny, and sweet. The second half of the drama takes a real dark turn, like someone completely different was writing it? Not a good ending.
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![Go Ahead]()
9. Go Ahead
Chinese Drama - 2020, 46 episodes
a girl, a foster brother, and the neighbor's son, are raised like siblings from elementary age, to high school.
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![Flourish in Time]()
10. Flourish in Time
Chinese Drama - 2021, 24 episodes
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![Kill Me, Heal Me]()
11. Kill Me, Heal Me
Korean Drama - 2015, 20 episodes
Not with the main lead but One of the 2 - 2nd leads is
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![Second Husband]()
12. Second Husband
Korean Drama - 2021, 150 episodes
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![Mitaraike, Enjou Suru]()
13. Mitaraike, Enjou Suru
Japanese Drama - 2023, 8 episodes
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![Unpredictable Family]()
14. Unpredictable Family
Korean Drama - 2023, 131 episodes
FL’s 2 older siblings are actually her half siblings and the son and daughter of her father with his 1st wife. Her father’s 1st wife is not only the FL’s half siblings bio-mom, but also the mother of 2 other children: the ML and the FL’s best friend.
