Get ready for a whole new side of Lim Yoona. The Girls’ Generation member has officially been confirmed to headline tvN’s Korean remake of Unnatural, based on the award-winning Japanese medical mystery series of the same name — and this role couldn’t be further from her usual bright, cheerful roles.
Yoona will play Song Do Eun, a forensic pathologist whose calm, composed exterior hides a deeply warm and compassionate heart. The character is known for her sharp eye during autopsies, never missing a single clue, while treating every case — and every deceased individual — with quiet respect and unwavering determination to uncover the truth.
The show’s production team seems thrilled with the casting, noting that Yoona’s naturally warm energy is expected to blend beautifully with Song Do Eun’s inner strength, creating a version of the character with a fresh, relatable charm.

Yoona in “Unnatural”
| Detail | Information |
|---|---|
| Actress | Lim Yoona (Girls’ Generation) |
| Character | Song Do Eun, forensic pathologist |
| Based On | Japanese drama “Unnatural” |
| Network | tvN |
| Genre | Medical mystery |
| Premiere | 2027 |
Unnatural follows forensic pathologists working to unravel the truth behind mysterious and unnatural deaths — a genre that has found major success in Japan and is now getting its Korean spin.
While fans wait for more updates, Yoona’s film Pretty Crazy remains available to stream for anyone wanting a Yoona fix in the meantime.
Yoona has built an extensive filmography across K-dramas, films, and music since her debut — you can explore her full body of work on Wikipedia.
For more K-drama casting news and entertainment updates, keep checking TechnoSports.
FAQs
Q1. What role will Yoona play in “Unnatural”?
She’ll play Song Do Eun, a compassionate yet sharp-eyed forensic pathologist.
Q2. When will the Korean remake of “Unnatural” premiere?
The drama is set to premiere in 2027 on tvN.





