MTL - Hidden Corner - Chapter 620 approaching four

This novel is about the young master of the Du clan, Du Shaofu, who was born with crippled veins and is unable to cultivate martial arts . After finding out about his situation from the clan while returning home he got hit by a lightning and a mysterious ‘first scripture’ appears and after studying for ten years he was able to mend his crippled veins together and starts his journey to glory.

- Description from Novelupdates

What do you do when your brother dies because of some entitled assholes? You go undercover.My real name? Clare. But at school, I’m Clause—just another guy blending in. Disguised. Watching. Yes, a boy. No, it's not an all-boys school—I'm just deep undercover, hunting down the bastard responsible for my brother’s suicide. Nobody—and I mean nobody—messes with my precious brother and gets away with it. They better pray I never find them, because when I do? Death will be a mercy, and trust me—I don’t do mercy.And as for the egotistical Alpha and the narcissistic Vampire Prince? They can go fuck themselves. I don’t do mates, I don’t do claiming, and I sure as hell don’t do them.

Having lived a normal life all his life and died without being able to fulfill his desire and when he’s given a task by a god, watch how he takes the protagonists girls while making it hard for the hero.

“She was a demon to begin with, how could she possibly be corrupted by encountering me, a human? Critics always talk about ludicrous things.”In 1798, during an interview with the press, Cardinal Bishop Lanci was asked about his past with the exiled last princess of the Demon Race, as well as recent signs of the resurrection of the demons. He stated:“I have made too many efforts to defend world peace, I am quite sure, there is absolutely no possibility for the Demon Race to revive under her leadership.”......In the winter of 1802, the revival of the Demon Race succeeded.[Based on the above information, please indicate who is the main culprit leading to the revival of the Demon Race, and explain why it is Lanci. (10 points)]—— excerpt from “Classic Examination Questions in Empire History.”