Chen Xu is a otaku in the 21st century. He is neither from a famous family nor from a wealthy family. No house or car, working as a caregiver in a pet store.
A complete pauper
But
It's this otaku who has nothing, but he encounters time travel
Or dress up like a ball that hasn't been born yet?
Chen Xu: ... I have committed too many sins in my previous life, and now I have to pay them back from the embryo!
System: No, it allows you to use your power to defeat the "enemy" and capture the vast interstellar people.
Chen Xu: Huh, think of me, Mr. Chen, who is the most brilliant and intelligent person in the 21st century. This is all a small case.
So easy!
System: ... I will listen to you silently....
As a result, the extremely narcissistic classmate Chen was trapped into a path of no return before he was born...
Intention: plug-ins are just a help, you really have to rely on yourself