C180 A Pool of Muddy Water

"Are you suspecting that we killed Xu You? Not at all. " He spoke to me, his eyes unfriendly.

Indeed, I suspected that they had bullied Xu Yu before. They were afraid of being found out, so they coerced Xu Yu not to say anything and just pretend to be friends with him. That way, they could bully him and call him away.

I found out later that I had been overthinking it