Surviving in a Romance Fantasy Novel is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

One day, Seo Tae-pyung,ended up transmigrating as the younger brother of the heroine in the fantasy romance novel Celestial Love. As romantic as this place is supposed to be, he was too busy just trying to adapt to my new life. Romance? Yeah, right! His goal was to keep a low profile and live quietly. But then... "How could you make the crown princess fall for you of all people?!" At that point, he had no idea. He was only just beginning to scrape the surface of this bizarre turn of events…