Dual personality setting: The main character Qiu Yu (main consciousness) and the sub-personality Qiu Yu (hidden consciousness) share the same body; Lin Xiaoyang has a natural attraction to Qiu Yu like the sun to sunflowers, but she is calm, self-possessed and pessimistic, but she is daunted by it, but Qiu Yu is not. She longs for the sun and wants to get it. Lin Xiaoyang is passionate, delicate and insightful. When he was in college, he suspected Qiu Yu's "split personality" and began to study psychology on his own. Ten years later, he designed a "mirror test" to confirm dual personality.
The story begins in Binhai City No. 3 High School in the autumn of 2010 and ends in the same city in 2035. Alienation and proximity, who will finally control the body.
