Evidence

When Lu Zhu heard Lu Nian's words, he lowered his gaze slightly.

When his mother had adopted Song Yu, he wanted to object. However, his mother's mental state was not good, so he had not said anything.

No matter how good Song Yu was, she was not their biological sister.

Lu Zhu also knew that no matter how clearly he said it, Lu Nian would still be very confused.

No one would believe that a person who had been dead for more than twenty years would stand in front of them alive.

When he found out that Qiao Nian was Sugar, he was also very shocked.

If he hadn't seen the DNA report, he wouldn't have believed that Sugar was still alive.