Yes, Gu Susu is the true biological daughter of the Ai family.,When he was eighteen, the couple from the countryside suddenly died in a car accident. When the police were checking their household registration, they unexpectedly discovered that they had been given to the wrong parents. They eventually found his biological parents, the Ai family.,As soon as Gu Susu heard this, a bad premonition arose in her heart. The next second, she heard the sound of footsteps coming down the stairs.。