The True Ancestor Became a Vampire Hunter

After transmigrating to another world, Jiang Xiaotan becomes a top vampire hunter. With his strength and charm, he gathers a group of outstanding companions and becomes the leader of the Hunters' Guild. He even keeps vampires in captivity, squeezing every last bit of value from them and drinking their blood. There's just one thing he hasn't noticed. …He's a vampire himself. And the strongest Progenitor in the world.