C898 Security

That's right. Although Tianyu and Zixuan had been gone for decades, the Tianyu family had never given up on searching for Zixuan. Zixuan was a rare genius of the Tianyu family, and also the hope of the Tianyu family.

However, an accident had happened. They had been trying to deduce Zixuan's movement all along, even if the result was the same every time