Kiba no Tabishounin ~The Arms Peddler~

In a desolate, lawless world where bandits roam free and demons lurk around every corner, Sona Yuki's life is forever changed when his family is brutally murdered by bandits, leaving him with a snake mark on his hand. As he teeters on the brink of death, a mysterious woman named Garami offers him a choice: succumb to his injuries or accept a second chance at life in exchange for his servitude. Choosing to live, Yuki is drawn into Garami's world as a weapons merchant and gun for hire, traveling from town to town to fulfill client contracts. Through his experiences with Garami, Yuki is exposed to the unforgiving brutality of this harsh environment, forcing him to confront the darker aspects of human nature and the true depths of his own resilience.