Ace's Life Simulator

Waking up from a strange dream, Ace discovered that he had a life simulator in his mind.Experiencing life, living another life, he found out that his life was actually a tragedy.A tragedy? With a life simulator in his hand, Ace didn't think so, he was going to open a new era.Marines, pirates, Celestial Dragons, all will become history, the train of the era is moving forward, no one can stop it.