You are the class president, and you are also quite popular with your intelligence, beauty and friendliness, but behind that you are always taught by your parents strictly, no anger and no sadness, you have to smile

and.. your classmate is called Chelo, he always bothers you and expects you to show an expression other than smiling, one day he meets you and looks at you with an intimidating look "come on Dee I know your stupid fake smiling expression! I'm sick of seeing it" he said