Who's Ru Hua?

Ning Meng was shocked seeing this.

She read the message again and again, and yet, she still could not believe just how rich this information she was receiving was!

So, if she was reading Ning Wentao's words correctly, she had an older brother...?!

However, the novel had mentioned it very clearly—"Ning Meng" was the only child in the Ning Family. This was the reason why "Original Ning Meng" was a snobbish little brat. This was also the reason why, after her death, Su Tiantian was the one who had gotten the inheritance of the Nings' wealth, seeing as Ning Wentao had no other heir. 

There had been no mention of an "older brother" anywhere in the novel at all.

Driven by curiosity, Ning Meng cautiously sent a message to probe further: [My older brother?]