Three Kingdoms: I Was Actually Listened to by Cao Cao?

After a thousand years of dreams, after drinking a cephalosporin, he traveled back to the Three Kingdoms period and was favored by Cao Ying's counselors. I'm not outstanding at all, I just want to lie down. But he didn't know that he could be eavesdropped by Cao Cao. Seeing that the situation was not good, he wanted to run away, but he was plotted by Cao Cao at every turn. Cao Cao: "What? Guan Yu can leave, why can't you?" "No way, absolutely impossible." "It's impossible to let you go. Please stay and assist me in my great cause." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.