Just like movies, often our favorite Korean dramas get inspiration from novels and other published and illustrated works. Yes, some of the most famous K-dramas stemmed from webtoons!
Webtoons are a sort of online comics originating from South Korea. They are freed periodically (sometimes weekly or monthly). Naver Webtoon and Daum are two of the most popular websites for those comics.
1. Extraordinary You
2. Love Alarm
3. My ID Is Gangnam Beauty
4. What's Wrong with Secretary Kim?
5. Moonlight Drawn by Clouds