Mirror Authority 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

A mirror appeared in the sky that reflected everything in the world. Except for inanimate objects, the rest were monsters. However, only Yang Yi can see these monsters. Because… He is the Mirror Authority, the only administrator.formal edition: When you stare at the mirror, the mirror is also staring at you. Yang Yi raised his head, the mirror in the air was like an abyss, and the self in the mirror was climbing up a little bit from inside.