People are in Honkai Impact 3rd, there's a villain simulator.

After transmigrating to a broken world and becoming a student at St. Freya Academy, Qiao Qiao originally wanted to trick a Valkyrie into coming home as her wife, but unexpectedly she was bound to a villain life simulator. As long as she played the role of an irredeemable villain in the life simulator, she could get rich rewards.
[Current simulation scenario: The last feast of a previous civilization.]
[You are an ordinary soldier of the Flame Chaser, and the higher-ups have issued an order to eliminate the Herrscher of Humanity.]
At the solemn ball, Alicia's makeup was elegant, and her figure shone like a star.
[As Alicia was about to perish, you chose to embrace her, becoming an accomplice of the Herrscher of Humanity.]
[You have received the reward - Herrscher Core.]
......
I am the owner who put the collar on Padofilis.
I am the secret boyfriend of the wicked Virvi.
I am Möbius's most steadfast interpreter.
I am a high-ranking member of the Firemoth, who imprisoned Aponia in a deep dungeon.
Qiao Qiao thought his simulated life was all fake until one day, a student named Fu Hua transferred to his class.
"Qiaoqiao, you've done all sorts of evil deeds, now it's time to pay the price!"
"Wait, aren't they all fake?!"
"Cun Jin·Open the Sky!"