Dark Old Demon

Roy's life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
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It's really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Custom Made Demon King

"We must seek reinforcements from Aglan Fortress!"

"No! We can't do this. Whether it's Aglan or us, it may cause the plague to spread!"

"Why not?! Don't forget that there are priests from the kingdom of Erathia in Aglan Fortress. They might be able to use the Cure Disease spell to dispel the plague!"

"That's only in theory. The priests' Cure Disease is only for known diseases, but this plague has never appeared in history. Who can guarantee that magic will be effective?!"

"Damn it. Are you planning on having us stay trapped in this isolated city?!"

"That's better than everyone dying together!"

A fierce argument broke out in the Dendera Fortress. The people arguing were Gelu and the wizard heroes of the kingdom of Bracada. The wizard heroes were strongly advocating asking for help from Aglan, but Gelu blatantly opposed this proposal. In the city hall, both sides were refusing to give in, and the anger in them grew.

The More Time Passes, the More Powerful