Traveling Through Time and Space to Become an Unlucky NPC: I Have a Wife to Protect Me 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

He Qingyang traveled to the game "Sword Immortal Legend" he was playing and became an unlucky NPC who kept skipping the plot when he was playing the game. This NPC kept harassing the main heroine Ning Yiwan, and later his identity was exposed and he was killed by Ning Yiwan.....