It's Not Easy to Be Di Renjie's Apprentice

I was poisoned by my ex-girlfriend and traveled through time... After traveling through time, I became a murderer again... Fortunately, my master is Di Renjie... Unfortunately he asked me to remain anonymous... Unfortunately, the emperor's brother died together with "me"... Unfortunately, the master was imprisoned for treason... The only good thing is that I have an extremely powerful reasoning logic. I will uncover a series of mysteries and work with the teacher to protect the foundation of the hall and lay the prototype of the Kaiyuan era. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.