Cang Yuan Tu is an online novel written by I Eat Tomatoes. It tells the story of a teenager named Liu July, who goes on a series of adventures and grows up in a world called Cang Yuan. Liu Yubai is a legendary warrior who has shown exceptional courage and strength in past battles. For some reasons, he is forced to leave Liu July and his family and becomes a mysterious being. As the story develops, Liu July gradually unravels the mystery of Liu Night White's birth and endeavors to find his whereabouts. He hopes to recognize his father and face the dangers in the world of Cang Yuan together. Liu Night White's identity and storyline play an important role in Cang Yuan Tu, appearing to play a key role in Liu July's growth and the development of the story.