The Child Emperor - Chapter 22: Truth and Falsehoods

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

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.

A mysterious black card issues a different amount of money each week and Shi Lei must spend it all within a week’s time. Otherwise, he will be welcomed by the black card’s punishments.

“Spending money is really tiring.” —- Shi Lei said.

“I will set a small goal first, such as spend a hundred million……” —- Shi Lei said in self-satisfaction.

“The one thing I regret the most in life is having infinite money to burn without a choice.” —- Shi Lei finally said.

- Description from Novelupdates

"When will people understand.... I'm only half insane?"