Paranoid Mage 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.cc fastest updating comic site. The Summary is

Callum has seen strange things all his life - monsters, beasts, and mages secretly living among people. But even after awakening his portal magic, Callum has no desire to be any part of it. The Guild of Arcane Regulation demands fealty, education, and service of every new mage. To hell with that. If they want Callum, they'll have to catch him first.