I’ve started a list for k-dramas that adaptated from webtoons/manhwa/manga. Still in progress, but if you’re interested go follow and recommend to others that might like it~ also feel free to link me some webtoons/etc. that I might be missing or let me know. And should I add ‘where to watch’ the kdramas? ╮(￣▽￣)╭
http://www.mangago.me/home/mangalist/985543/ 
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Hey hey hey!! I just wanna said that
"Touch Your Heart" and "Girl's World" have a kdrama! I'm surprised since I also wanted to do a list like your in the past haha
http://www.mangago.zone/read-manga/absolute_boyfriend/
^ this one also has a kdrama called My absolute boyfriend, it’s on Hulu...
I had no idea true Beauty got a k drama!! Omg!!
Yes!! Already on ep. 8~ kinda sad it’s not following the webtoon exactly, but still very good! ╥﹏╥