Is the Fourth Calamity Causing Trouble Today?

The protagonist transmigrates into another world as an utterly ordinary background character (note: the kind who starts out in prison).

But there are three pieces of bad news. (Note: bad news for the forces in this other world.)

1. He thinks he's playing a full-dive VR game.

2. The game System came with him, and gives him missions, including but not limited to breaking out of prison, provoking a civil war between two great families, sneaking into a treasury at night and framing a rival faction...

3. He can log off whenever he wants. In other words, he can stir up trouble and then conveniently vanish, leaving his victims terrified and wondering if there's a spy in their midst. More often than not, they're left badly shaken without ever discovering the culprit.

Protagonist: This game is way too realistic, isn't it? The NPCs are so lifelike!! But is the map really this huge? How have I not run into a single other player? 0.0

Protagonist: Still, single-player games have their charm qwq. This is fun, I love it!

And so...

The ruling powers of the other world, every day: