From MangaDex:
Player name, Yuuki. Seventeen. Place of residence: murder games.

Dressed up in a maid outfit attempting to find her way out of a death mansion, murdering other players clad in a bunny suit, and such to win money is how she makes a living. For some reason, she chose to stay "here" no matter what.

Overcoming the border between life and death, she aims to attain an unprecedented 「99 Consecutive Wins」.

https://www.cmoa.jp/title/284231/