Is it wrong to be an Eminence in the Shadows?

Bell heard several stories of his grandfather's heroes. But there was one that caught his attention. At that time he had made up his mind. Hero? No, this is too boring. He would become the true Eminence in the Shadows. Adopting a 'weak look' to hide his true strength while lurking in the shadows with his followers. The highly acclaimed Shadow Garden! BellxHarem.