MTL - Rebirth of the Rich and Wealthy - ~ 5, protect her, high-profile overbearing

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

She became the nanny of Claude, the blackened male protagonist who would destroy the world. If this continues, she will be killed by the cursed power possessed by the blackened male protagonist. So, she decided to pour out her love for the blackened male protagonist to prevent the blackening. She also raised the child’s self-esteem, and made the Duke act like a proper father, as fatherly love was essential for the male protagonist’s self-esteem. She thought the child was gradually recovering his bright face, and the Duke was now learning how to gradually give love to the child. But she doesn’t know if it’s because she worked too hard….? “It has always been a problem. You have hundreds of reasons to abandon me, but I don’t have a single one.” “Nanny will always be by my side, right? That’s why you can’t go. Never, never.” Two men started obsessing over me.

Ge Xiu is a nefarious star criminal. After being arrested, according to the Interstellar Supreme Law, he will face two choices: either serve a sentence of 1156 years in black prison or enter countless virtual worlds and become a miserable person who is tortured and abused all his life. How much he suffers is how much his sentence can be reduced. Ge Xiu chose the second one without hesitation.

So… The trial surveillance system stared dumbfounded at the Former•Interstellar Most•Wanted•Criminal•Currently•Weak•Poor Ge Xiu in the virtual world, punching the empire, kicking the Federation, overthrowing oppression and building a new world. Then he turned his head to the camera and cried: “I’ve had a miserable life, really.”

“…” The surveillance system that was about to explode of anger: “Like hell I’d believe you!”

“She was originally a demon. How could she be led evil after meeting a human like me? Those critics always say some ridiculous things.”

In 1798, during an interview with a reporter, Cardinal Ranchi was asked about his past with the exiled princess of the last descendant of the Demon Clan and the recent signs of the Demon Clan’s recovery. He said:

“I have made too many efforts to safeguard world peace. I am convinced that under her leadership, there will be no chance of the demons returning to the country.”

…

In the winter of 1802, the demons successfully restored their country.

[Based on the above materials, please identify who is the main war criminal who led to the return of the demons, and explain why it is Lan Qi. (10 points)】

——Selected from “Classic Collection of Imperial History Unified Examination Questions”

- Description from novelbuddy