Yongbi the Invincible 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 mysterious stranger rides into town. The peaceful village of Gang-Ho is disturbed when Yongbi, a seemingly foolish bounty hunter, comes to town looking to claim the bounty for the leader of Gang-Ho's deadliest clan of assassins. Will Yongbi collect the bounty unscathed, or will he fall victim to a vengeful pack of assassins hell-bent on retribution for their captured leader?