Kiba no Tabishounin: The Arms Peddler

A lawless world filled with bandits and demons becomes the setting for Sona Yuki's tragic fate after his family is killed during an ambush, leaving him with a snake mark on his hand. On the verge of death, a woman named Garami offers him a choice between life and death. Yuki chooses to live and is given a new chance by Garami, who becomes his benefactor in exchange for his loyalty. Garami is a traveling weapons merchant and hired gun who moves between towns to take on clients. Through her, Yuki witnesses the harsh realities of their brutal world.