Wujie and Xianglin confronted Kakasi and others on the opposite side in the Short Book Street.
Because when Kakashi looked at the Big Snake Pill, he no longer had any trust in his eyes.
According to his previous actions, Kakashi has felt that the purpose of the Big Snake Pill is not just to seize the unsealed scroll in the hands of Boundless.
At least his primary goal is not like this. Big Snake Pill must have other ideas. So Kakashi doesn't want to let his companions take risks until he knows the attitude of Big Snake Pill.
The reason why he hasn't given up is that the task of the village is pressing on his head