Majin Senya, a genie-like Honki person bound within an ancient revolver, awakens with explosive vigor when summoned. His battle-hungry nature thrives on direct, brutal clashes, fueled by an unwavering personal code rather than obedience. Towering and muscular, his pink-red skin contrasts starkly with flame-like crimson hair flowing freely. A tattoo bearing his name encircles his throat, while his attire—vivid red haram pants, gilded armbands, and intricate red-and-gold ornaments—echoes the hues of his fiery essence across all life stages. Once a nameless street urchin content with hardship, Senya’s fate pivoted after a pivotal encounter with Ichiya, a detached yet observant figure. Their bond crystallized when Ichiya bestowed the name “Senya” (“thousand”), countering his own “Ichiya” (“one”), framing them as intertwined opposites. Though trained by Ichiya, Senya’s relentless brawling clashed with his mentor’s elusive strategies, cementing a rivalry where raw power faltered against cunning evasion. Tasked with granting wishes through incremental trials, Senya dwells invisibly within a metal bolt lodged in his summoner’s skull, manifesting only when the bolt is touched. He conceals the truth of their inevitable fusion and the lotus tattoo marking the protagonist’s back—a symbol of their shared fate. Despite his rowdy theatrics, Senya’s demeanor hardens when confronting Ichiya’s machinations or the fallout of his schemes, revealing cracks in his jovial facade. In a desperate bid to thwart Ichiya, Senya temporarily merges with the protagonist, vowing to relinquish control post-battle—a gamble exposing veiled nobility beneath his chaotic exterior. Though seemingly departing after their victory, he lingers in the shadows, his presence a whisper of unfinished ties. From scrappy vagabond to warrior embracing conflict as self-discovery, his journey mirrors the protagonist’s struggles, pushing them toward growth through clashing ideals. Senya’s tale weaves rivalry, identity, and reluctant mentorship, his history with Ichiya reflecting the protagonist’s fractured bonds. By urging confrontation over compromise, he becomes a catalyst for reckoning, his abrupt exits and returns blurring the line between ally and destabilizing force. His final reappearance hints at ancient legacies yet unfulfilled, anchoring him as both relic and rogue thread in the Honki person’s enigmatic tapestry.