Who is the hero in the novel Ya Tang?

Lin is the hero of the novel Ya Tang. A six-year-old girl, a little beggar who lost her parents and followed her grandfather all the way from Fujian to Beijing to make a living, suffered from the cold world since she was a child. Can she live in Beijing? Can she take care of her old and sick grandfather? What did the meeting with Liang Qu, a famous professor at Beijing Railway Station and Conservatory of Music, bring her? From humble origins, she turned into a noble dream. Why does she cry and hate when she is eighteen?

Brief introduction to Daya Gallery's story

Mr. Liang believed the fortune teller's words, so he remained a widow until he died the year before last. As an artist, Liang Qu spent his whole life pursuing something other than language to express his manners, that is, learning from Grandpa Confucius. Later, when I was eating, I slowed down. Li Yunshuang's heart tightened and looked at the little girl named Pearl.

The pearl with dirt was washed away in the bathtub, with delicate and fair skin and dark and bright eyes. She can't tell the reason for her face here, but the warmth in her eyes is so casual and indifferent. He felt that his blood seemed to roll with those grains of rice, and his heart ached for a moment.