Beast Girl: Starting Contract with the Cool Instructor

By accident, Duan Geng actually traveled back in time into a novel he wrote... At the beginning, he signed a contract with the noble and charming beautiful instructor, and there were also the mature and intellectual doctor Yu Jie and the unruly and willful innocent school beauty waiting for him to conquer... However, Duan Geng was surprised to find that after each character in the book was fleshed out, although the personality did not change, the choices he made were often very different from what he, the author, had planned! The plot started not to proceed as he had planned!