C619 Change in the Zerg Family 1

It was because of this that Ze Yu trusted Tang Yan even more. However, Ze Yu was a cautious person. Every time Tang Yan delivered drugs, he would be tested, so Tang Yan had no choice but to add some addictive drugs … After observing for a while, he realized that Ze Yu's demand for the Spiritual Energy s to replenish the potions was huge. Then... This was the best help he could get from his pills