Breakers - Chapter 217 - Chapter 45: Demon King #4

At the feast of the Gluttonous House’s auction, there was a little girl with an exceptional furnace constitution for offer at a sky-high price. Everyone wanted to lay their hands on her. Suddenly, the little girl in the golden cage opened her eyes, radiating a cold gaze. She was no longer cowardly.

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.

Shinji found himself in the world of Naruto, facing the Tailed Beast Ball of the Nine-Tailed Fox.“Did I reincarnate just to die immediately?!” Shinji thought.“...”[Ding! Multiverse Role-Playing System, able to randomly draw characters/spirits/pets/trash witches from the multiverse...][Option 1: Genshin Impact World - Geo Archon - Rex Lapis - Zhongli][Option 2: One Piece World - Emperor Of the Sea - Clown King - Buggy][Option 3: Pokemon World - Lazy Pokemon - Snorlax]Watching the Tailed Beast Ball roaring towards him, Shinji stretched out his hand,“My title as Zhongli's biggest fan wasn't earned for nothing.”

Xia Yuqing is a shut-in+fujoshi from the 21st century. After an accident, she transmigrates into the body of a young princess forced into a political marriage to another country.