Description:There is no regret medicine in the world. If a mistake is made, it can not be changed, it can only be faced. What if you can? What if we can go back to the past? What if it can be changed again? “Keep going and you’ll have a new story. Maybe, you and that person, will meet again. Turn around and go back. You canIntervention may change fate. But no one ever went back. I don’t know what effect the little butterfly will have. I don’t know whether history has the function of automatic repair. Everything is unknown. Do you want to go back? ” The choice is in hand. How to choose? The decision of everythingSure, it’s all for the person who cares.