Bill Wingate, a feared outlaw in the American West during the turbulent 1800s, discovered the orphaned Isamu stranded and alone after a storm killed the workers raising the boy. Recognizing potential, Wingate took Isamu under his care. He offered shelter and survival training, specifically instructing Isamu in weaponry, intending to mold him into an assassin capable of violent tasks.

This mentorship fostered significant internal conflict within Isamu, who felt indebted for his life yet struggled against his inherent moral compass resisting killing. Wingate's actions demonstrated ruthless adherence to his outlaw code. He murdered the doctor who saved his life solely because the doctor overheard plans for an upcoming heist, eliminating a potential witness without remorse, revealing his pragmatic and dangerous nature.

Wingate operated within a familial context of outlaws, associated with others bearing the Wingate surname including Rhett Wingate, Ned Wingate, and Old Wingate, indicating a larger clan involved in criminal activities. His relationship with Isamu evolved beyond a mentor exploiting a tool. A complex dynamic developed where Wingate's original plan to create a weapon clashed with an unconventional, developing paternal bond. Tension arose from Isamu's inability to fully embrace the violent path Wingate laid out, forcing continual negotiation between Wingate's expectations and Isamu's innate goodness.

Wingate's influence profoundly shaped Isamu's skills and perspectives during a formative period. The narrative explored the consequences, particularly how Isamu grappled with conflicting loyalties between his adoptive father figure and the innocent people harmed by Wingate's actions. Wingate served as a catalyst for Isamu's journey, embodying the frontier's harsh realities and moral ambiguities while creating the central conflict driving Isamu's development.