You Called Me a Wretched Bastard. Now I Rule the Court, and You Want to Claim Me?

He wakes up to find he has transmigrated and been reborn. He has become an illegitimate son, bullied at every turn. Xu Yan had only wanted to get by on his modern knowledge, become a wealthy landowner, and lie flat. But then a new emperor ascends the throne and purges the court! To stay alive and clear his name… Xu Yan has no choice but to stun the world! He begins by gaining fame across the realm with Cao Zhi’s Seven Steps Poem…!