Divine Seal Emperor

What would a otaku look like? A dead otaku? Listless? Or something else? Maybe there are many ways to look like an otaku. But, have you ever seen an otaku who knows runes and formations? Although they cannot use them, they are still useful in this world. However, when this otaku is lost to himself in a world full of dangers one day, and his soul forcibly takes over other people's bodies, how will his destiny change? Will he be able to turn the world upside down for me, or will he be ordinary and let others bully him? Let's watch the pig's feet unfold a new world for us.