Infinite Career Evolution, I Have a Vampire Witch

In the peaceful daily life of the city, surrounded by monsters of the world, extraordinary beings of different systems are fighting endlessly, all wanting to carry forward their own systems and conquer the world... Xia En, a time traveler, picked up a peerless beauty on a rainy night. He thought she was an ordinary person, but he didn't expect that she was not human at all... She's also a little yandere... Fortunately, he has a demon career system, he can get power from demons, and he will not become an incompetent husband. Discover the profession [Blood Knight] from the vampires Discover the profession [Happiness Messenger] from the succubus Discover the profession [Wikipedia] from the bull demon Discover the profession [Ranger] from the leopard demon ... The smooth road was at his feet, so he was careful and cautious, step by step, until-- [The Blood Knight looks down on the hard-working and honest warriors, so he grabs the warriors and refines them instantly] [Blood Knight] actually ate [Hercules]! The mixture of the two undergoes a strange transformation... In the end, he took up unlimited jobs, evolved infinitely, and became a professional god... Only then did he come back to his senses and said with an innocent face: "I really didn't want to conquer the world in the first place!"