Intergalactic conquest with an AI - Chapter 21: Cleaning and Looting.

Cayena, the Imperial Princess, was known as the most beautiful woman in the Empire. She was a woman who knew nothing but evil and luxury.

However, she was destined for ruin: she would be used as a chess piece by her younger brother to secure his throne and killed by her crazy husband.

“I’ll make you the Emperor.”

“… Sister, are you referring to me?”

“In exchange, give me freedom.”

She had to change things before she became that Cayena.

In the vast Marvel universe, where superpower was still slowly growing in its infancy, several peerless superheroes tried to find their path in The Marvel Universe. A young adult named Ron from modern Earth unwittingly stumbles into such a world and begins his journey with an unknown power. This is a magnificent yet unknown true marvel world! This is the story of a normal young adult and his adventures!

- Description from Novelupdates

superhuman powers awakened and the world changed, yet Jade remained as he was—the ever so heedless, unbothered, emotionless, and weird guy manning the cash register.But some people deemed him lucky because he seemed to be unaffected by all those happenings. But would they still believe that when Jade came home one day from his night shift, tired and hungry, to find a dungeon gate right inside his house?The worst thing that could ever happen to him was get sucked in that gate, however, instead of the gate, strange Seekers are sucking up to him instead.Jade: Why is this happening?!Seeker 1: Help me go back to my world and I can give you everything you wish for.Seeker 2: I don’t care about going back to that damned world, so can you just let me stay here with you?Seeker 3: Jade, honey, you’re the best Minder! I need you, so come with me to my world.And so on… these Seekers are all lunatics forcing him to help them go back to their respective worlds! But how can Jade do that, when all of them were just mere characters from books?!Now, what will Jade do?

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.