Shade of Arcana is a Manga/Manhwa/Manhua in english language, Webtoon 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

When the real world (and its dependence on Artificial Technology) is nearly destroyed by evil software, there is only one source of hope left for mankind — Genesis Facility, deep in the Pacific Ocean. This lab houses a VR gaming world, where human consciousnesses can enter to directly battle the malware, MMORPG-style! You’re not just fighting for XP and glory, but for your life and the rest of humanity. No pressure! Are You Ready, Player? Welcome to Velicium!