This True Vampire Ancestor is clearly strong but overly cautiou

Edward, who traveled to a different world, became a top vampire hunter. With his strength and charisma, he gains a group of excellent companions and becomes the leader of the hunter's guild. He even kept vampires in captivity, extracting their residual value and sucking their blood. However, there was one thing he didn't notice.......... He was a vampire himself. Or the strongest True Vampire Ancestor in this world.