After Passing Through the Book, Let Me Conquer the Crazy Yandere?

Liu Man used his "money power" to travel into a yandere novel. He originally just wanted to experience life, but unfortunately he was targeted by the yandere. The heroine only looked at each other with her male classmate. The yandere Ji Jin imprisoned Liu Man in a dark basement. Every time the heroine managed to escape, she was captured. So the heroine simply pretended to be there, but the male protagonist directly played as a stand-in?