Webtoon Character Na Kang Lim is a Manga/Manhwa/Manhua in english language, Manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Na Kang-Lim, a high school student who usually enjoys webtoons. One day, experiences something bizzare, a female protagonist from a webtoon he usually reads appeared before him. The incidents in the webtoon puts her into a crisis, but the problem is there's no protagonist to save her from those events! He then becomes the protagonist and goes over time to save her.