I Want to Be a Power Player Behind the Scenes

Once, a miserable young man took over the Demon Emperor’s body and began his nervous journey of pretending to be a mighty expert.

But another miserable young man took over an expert’s shadow double. The expert was gravely ill, so the shadow had to step in and sort everything out.

Surrounded by mighty experts, with more ill-intentioned ones watching him like hawks from behind, what’s a shadow to do? What a headache!