Wu Xiaoyi, who is sixteen years old this year, looks like a careless and heartless girl, but she has a love buried deep in her heart. She told this secret to her good sister Xie Nana. She couldn't ignore the pain of her good sisters, so she solved the problem in her own way. But a girl who didn't know what love was, didn't have the delicate thoughts that a girl should have. What method did she use?