Itsuka Ojousama ni Naritai Kei Dungeon Haishinsha ga Honmono no Ojousama ni Naru made

Karona Rindouji has a dream: to earn 100 million yen and become the refined lady she's always admired! Decades have passed since "Dungeon Disasters" began, where internet thought-noise invades the real world and forms dungeons. To prevent these disasters, the government created "Battle Cast Dungeon Alive," a national VR dungeon game. Clearing dungeons in the game earns rewards, but HP equals real money, so damage taken results in a loss. "Dungeon Streaming," where players broadcast their attempts, has become popular... (From Mangadex)