Rebirth: King to Superstar

"I just wanted to act my whole life." A regret of an old king who died of old age. Being transmigated into a young man's dead body in a new world filled with things such as phone and movies, he was fascinated.
Deciding to make full use of this sudden chance watch Zen Su, once a king of the most powerful kingdom become Kim Joon-won the most famous superstar in the modern world and fullfill his wishes.
Notice- I hope all of you would read the long prologue to the book as it gives you a deeper understanding to Zen Su as a king and his charactee better to understand the book better.