Cid Kagenou spent his previous life obsessively training to become a mastermind who pulls strings from the shadows, only to have his grand ambitions cut short by a fatal accident. Reborn into a world of magic, he finally possesses the power to live out his "shadow broker" fantasies by recruiting loyal subordinates to battle an imaginary evil organization. While Cid believes he is merely indulging in elaborate roleplay, he must masterfully balance his life as a mediocre student with his secret identity. The stakes reach legendary heights when his "fabricated" Diabolos Cult turns out to be a very real, ancient threat plotting to plunge the realm into darkness. Even as he unintentionally dismantles a global conspiracy, Cid remains unaware that his Shadow Garden is fighting a legitimate war for the world. Driven by an unwavering obsession with cinematic tropes, he will stop at nothing to perfect his role as the ultimate puppet master. He is determined to transcend the concepts of hero and villain, proving the most formidable force is the one lurking before your eyes.