C487 Enchantingly Red

Helan Xiaoxint wanted to know why Ye Xiaodao wanted to develop this new drug.

When the new drug was about to be developed successfully, why did he back off?

Was it because he already knew that Number One, who was mixed with Gu poison, was the most fearsome existence in the world?

If that was the case, then when he first left, even if he didn't get rid of Zha Cai