Hogwarts: My System Has Turned Dark

Luo Han transmigrates into the Harry Potter world and finds himself the son of Barty Crouch: Barty Crouch Jr., the Death Eater.

Facing the prospect of being sent to Azkaban, Luo Han says there is absolutely no way he's going to prison. After all, the people in Azkaban are rude!

The System he carries around with him has gone evil!

From then on, Luo Han spends his days matching wits with the System.

Hermione: Professor Crouch is definitely the most responsible professor at Hogwarts.

Harry Potter: Professor Crouch, could you try acting like a human being?

Professor McGonagall: Crouch is fairly responsible as a professor, I think, except he can't recognize my Animagus form!

Snape: Crouch! My lifelong nemesis!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.