It was not unusual for Prim to attend mental classes every week as her parents think that she is not normal. At a point even she started to believe that she brings danger and stopped herself within anti-socialism.

Kim Jongdae, the boy who goes to the class to watch Prim, only. Isn't that being crazy? After a long time, finally he went to her for the rejection to slap on his face. However, even now he tells himself that she did turn and smiled at him.