Felix's quirk grants him unparalleled dominion over hormonal systems—a power to reshape metabolism, influence behavioral patterns, and fundamentally alter physical capabilities. Whether amplifying superpowers or diminishing them entirely, his abilities mark him as a threat. Yet those who feared him most never comprehended what he truly represented, inadvertently constructing their own monster. What began as a gift became a curse when his path led to incarceration. Behind prison walls, Felix caught the attention of Canadian and Japanese governments desperate to avert catastrophic conflict between the Ring of Fire coalition and Western powers. They offered him freedom in exchange for servitude—positioning him as a strategic weapon against looming superhero warfare. Dispatched to Japan, Felix accepts his designated role as a pawn. But his captors fatally underestimated him. What they failed to recognize was his genuine ambition and profound, inscrutable malice—a darkness that would mystify even All for One himself. His unconventional quirk carries potential to unlock possibilities no one predicted. **Content includes:** Morally complex protagonist ◆ Strategic manipulation ◆ Manipulation of Pro Heroes and students ◆ Corruption and coercion ◆ Pharmaceutical development ◆ Clinic establishment ◆ Harem elements ◆ Quirk enhancement and awakening ◆ Graphic violence ◆ High-stakes narrative ◆ Potential character transformation through quirk application ◆ No NTR ◆ No Yuri **Setting:** Timeline begins weeks before the manga's start; approximately one year before Izuku's U.A. enrollment. Average chapter length: 3,300 words.