Downloading copyrighted K-dramas from unofficial sources may violate laws in your region. Official platforms like Viki, KOCOWA, Viu, or Netflix are safer and support the creators.
It looks like you’re sharing a filename for a download, possibly for a drama episode titled (E01, 720p), with a reference to "nunadrama" (a common Korean drama distribution tag). Download- -nunadrama- Friendly Rivalry.E01.720p...