After I Transmigrated into a Book, I Became the Male Lead's Boss's Guide

(System)+(Sentinel and Guide)+(Apocalypse)+(No female lead)+(Mecha)+(Science fiction)

After dying by accident, I was bound by a system, made to take the place of someone with the same name, and tossed into an abandoned book. It was a world with Sentinels and Guides, and my mission was to change the protagonist’s fate, maintain the world’s balance, and stay alive.

System: “Ding! Host, please complete your missions to earn rewards and survive.”

An Dong looked at his aptitude report. “My constitution is weak! I’m tired! My rank is too low! I’m not doing it! Get lost!”

System: “Ding! You have no choice! If the Host fails to complete missions on time, you will be punished!”

An Dong: “System! I’ll say it again: I’m the worst Guide out there! My constitution is weak!”

System: “No choice detected. The system will automatically find you a partner! Good luck!”

The original owner, Yang Haochu, watched his boss’s spirit entity running off again. “Boss, your spirit entity ran away again! Are you sure you really don’t want a partner?”

A certain Sentinel, Ye Mingxia: “...”