The Old Card Game

He transmigrates into the game he designed and starts out as the son of a Grand Duke of the dynasty.

What?

The dynasty has long since fallen, and his Grand Duke father was the biggest villain in the first playthrough?

Then he'll bring the dynasty back and return those who should never have died to life.

The Twelve Saints, the resurrected, and the struggle between order and chaos.

Civil war in the kingdom, the dynasty's restoration, the blood moon's rebirth, a shift in divine authority...

A new era is about to begin, and the old era's death knell has already sounded!

(No female lead or one female lead)