Invisible Ink

Someone picked me from somewhere, put a blank paper in my hands, "This is the screen play, learn it by heart." "It's a blank sheet of paper! I wonder! " "Sir, May I know who are you? " "Irrelevant, my face may be changed after my tenure, You should keep your eyes on my shoulders." Ink is mine; pen is mine write your fate on the blank sheet." I started writing my fate, to my wonder again, I wrote yes but on the paper no appeared, And when I wrote no on the paper yes appeared, "What is this? " "Weren't you have been a king before? " Your fate is already written but the ink is invisible. You know me very well I am the kingmaker." "May I go back in exile again? " The designate humbly prayed!