My Fake Girlfriends are using me as a Shield is a Manga/Manhwa/Manhua in english language, Manhua 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

One day, I was suddenly confessed by a girl, in order to reject her, I had to find a fake girlfriend. I didn’t expect that my plan to avoid trouble… would lead to an even bigger trouble? The arrogant Archery Department ” Vicious Princess”, the “White Fox” who is good at flirting, the long black straight “Flower of the Highlands”, and… the sickly brother and sister plot! Is my youthful love story also full of problems?