I'm Not a Beast Master. Call Me a Substitute.

What others awaken is a mythical beast, but what I awaken is a book from the JOJO world! Zhang Yao traveled to the world of beast control, but the talent test was a blank slate, and he could only go around in the auxiliary department. Just when he thought he was going to be a beast-control nutritionist for the rest of his life, several gangsters blocked the door. At a critical moment, the mysterious ancient book in his brain suddenly opened, and a purple humanoid shadow wrapped around a deadly virus suddenly appeared!