Yes, Gu Susu is the true biological daughter of the Ai family.,After learning that she was to be sent back to the Ai family, Gu Susu looked forward to living a happy life with her parents and brother. She even genuinely treated Ai Yivi as her own sister, believing that Ai Yivi was also innocent. She felt that the couple from the countryside who had accidentally swapped babies shouldn't be blamed for what happened.,Gu Susu had no other choice but to plead with her father, "Dad, can I just meet the stars once a week"。