I was a former professional gamer who was forced to retire due to a career-ending injury.
Since my retirement, I did nothing but shut myself in and play video games day and night... until that exact game suddenly became our harsh reality.

However, I wasn't summoned as a 'Player' like the others.

[System Notice: You have successfully awakened as the Core System of the planet 'Earth'.]

The world expects me to register human beings as game characters—honestly, I have no clue what that's supposed to mean. But for now, let's just focus on clearing the stages.

After all, I am the ultimate veteran of this game. I know every single hidden patch, glitch, and secret it has to offer.