Playing an NPC in a Horror Game

Any Stories Where the Protagonist Enters a Game as an NPC? Preferably One Who Arrived Before the Players

I’m out of books to read. Please recommend some.

Strong Heavenly Emperor, Originally Known as Bald Qiang

The mighty Emperor Tiandi, originally named Guangtou Qiang, was a once-in-an-eternity genius, born to chop down trees and destined to face bears. His life shone with unparalleled brilliance, giving rise to countless legends. He once fell after battling seven anime worlds alone. He once took first place in the genius tournament at the Fangte Ruins of Gou Xiong Ling. He once, across the Nine Heavens and Ten Earths...

Tired of Stories About Joining Horror Games. Any Where the Protagonist Becomes an NPC in One?

I’m tired of stories about people taking part in horror games. Are there any novels where the protagonist plays a character as an NPC in a horror game and messes with the players?

The Heroine Is an NPC, With No Romance

Please Recommend Stories Where the Main Character Is an NPC or a Side Character in a Quick Transmigration Story

Looking for books similar to My Golden Finger Is Acting: I Became the Protagonist of a Horror Story. Something along those lines, please! I'm in a reading slump, everyone!