A miracle doctor who doesn't like to treat diseases, and a gentleman who doesn't like to go to class. The two met to become witches in ancient times. But after going round and round, they returned to the original world inexplicably, but why didn't God just let them go and let them go back to that ancient era? Just leave, but why do they find that everything is different when they return to that era? What is the problem? God, please don't play with them like this. What does soul exchange mean? ...