DxD: The Architect of Absolute Contracts

Most reincarnated heroes are greeted by a goddess and gifted a sword of light. Ren Kuruma woke up choking on his own blood, staring down the glowing spear of a Fallen Angel. No magic. No demonic heritage. Just a dying human body in a world secretly ruled by myths and monsters. But in his past life, Ren was a master corporate liquidator. He knows the golden rule of survival: when you have no assets and a gun to your head, you do not fight. You negotiate. Awakening the **[Archive of Absolute Contracts]**, Ren discovers a terrifying loophole in the supernatural world. In a universe where Devils trade wishes for souls, the very laws of the deal can be weaponized. He can bind Angels, Devils, and Dragons to absolute, unbreakable terms. There is only one catch. Reality demands a toll. Every contract he forces upon a myth strips away a piece of his own emotional stability, bleeding their darkest fears and traumas directly into his own mind. The ultimate power comes with a creeping, psychological death. Refusing to become a disposable Pawn for the crimson-haired Gremory Heiress, Ren steps into the shadows of Kuoh Academy. He will not serve the factions. He will not fight their wars in the light. He will simply own them all. One signature at a time. ...Assuming his mind does not shatter first.