Being Trapped in a Book

He took a nap, and when he woke up, he became a different person. He held a copy of "Beautiful Beauty" that didn't even have an outline in his hand and worked as a young man for two years; The plot begins two years later, and the first chapter is the draft, let him start; He meets the second male lead in the synopsis; The second male lead was superior, and there was an old witch sitting next to him. The two had different ideas, and each had their own people in the harem. He was snared by the jealous second male lead, and from then on...