Yongbi the Invincible - A Side Story (용비불패 외전, Yongbi Bulpae Oejeon) is a manhwa authorised and illustrated by Moon Jung-Hoo (문정후, Munjeonghu) and is the sequel to the Yongbi the Invincible story. It was published in the magazine <Chance> by Haksan starting from 2006 and finishing with 12 volumes.
A mysterious stranger rides into town. The peaceful gangho is disturbed when Yongbi, a seemingly foolish bounty hunter, comes to town looking to claim the bounty for the leader of the gangho'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?