The Wicked Prosecutor Has Changed is a Manga/Manhwa/Manhua in english language, Manhwa series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

After a lifetime of effort for revenge, I became a lawyer with a 97% win rate.

Now, the only thing left is to take revenge on 'Smile,' the bastard who killed my mother, but to think I ended up dying at his hands….

"Prosecutor Jang Hyun-soo!"

What? I've possessed the body of the Wicked Jang Hyun-soo?

Is this fate's prank? No, perhaps God has given me one more chance.

"Smile, I will definitely take my revenge!"