After Passing Through the Book and Becoming a Vicious Female Supporting Character, I Pretended to Be a Domineering Immortal.

The heroine accidentally traveled through the book to become a vicious female supporting character who could not survive for three episodes. She started to save herself from the evil, and unexpectedly attacked the heroine's many licking dogs, causing the heroine to become a black man. Then with the help of Golden Finger, she became a big boss in the world of immortality.