Overgeared 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

[Shin Youngwoo (Username: Grid)] The world's greatest VR game
Whether in reality or in the game, misfortune has always befallen upon him... An unexpected reward he discovered during a quest, 'Pagma's Rare Book'. Changing into a one of a kind, strongest, Legendary class amongst +2 billion users.
"How are you still alive...?!" "Well, it's nothing complicated..." "I'm Overgeared."