The Legendary Otaku Hermit is a Manga/Manhwa/Manhua in (English/Raw) 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

The senior apprentice who practices the Emotionless Tao, Mo Huang, feels bored because he's too strong, so he went to the secular world to experience more, but unexpectedly he became an absolute otaku!?