Fudong is a junior in college. He has been deeply traumatized by love and suffered from a miserable upbringing in his childhood, which allowed him to develop an extremely complex personality. He used to be an innocent boy with a truth-telling ratio of 99%, but now he has been telling lies. But he believed from the bottom of his heart that he was not a liar. He feels that lying is just trying to be a liar. From this, a series of stories happened to him.