C916 Sister

When Lin Fan first saw Xia Xuan's solemn expression, his heart skipped a beat. He was quite frightened.

He thought that he really had some serious illness caused by the radiation, but when he heard Xia Xuan say that he was fine, he let out a sigh of relief.

But then Xia Xuan said that there was an unexpected discovery, which made Lin Fan's heart tighten again.

"What