Maoyuu Maou Yuusha - Volume 3 Chapter 2, “The Kurultai without the Demon King”

I’ve entered a hidden route in a failed game.And now, I have to become a false prophet.There’s no other choice.Since it’s come to this, I’ll become the greatest false prophet on the continent.

After reviving unexpectedly, the concubine’s daughter was no longer a coward like before, but a hard nut.

Flamed her up and bullied her?

Come on!

She came from the 21st century! How could she willingly embrace such destiny?

“Since you ask for it, see how I will torture you!”

She punished the scums and struggled against bad minions!

See how the concubine’s daughter Dong Ling would stand up and master her own fate!

- Description from Novelupdates

Vergil, a 21-year-old young man, leads an apparently simple life in a somewhat troubled world. His family is also simple—although his father is no longer alive, his mother has always been by his side, despite being a bit... aggressive. But that's not so unusual nowadays, right?Everything changes drastically when Vergil, after an unexpected death, awakens as a demon. To his surprise, he discovers that he has accidentally married beautiful Pure-Blood demonesses.Now, he will discover how the world really works from a Demon's perspective.

Bai Yang is the youngest son of a rich family who grew up spoiled, unambitious and having no one expect anything from him. He doesn’t really mind this though, because he’s still able to live a simple and happy life.