MTL - Full Marks Hidden Marriage - ~ Questions about the end

Zhu Kang, a trafficked soul, was captured by an evil organization and was stripped of his real memories. Unaware of the dangers he worked for this evil corporation as a system.One day, all of a sudden, fifteen men dressed in black started a shoot-out killing all the other systems.In desperation, Kang threw himself into a transmigration device that tossed his soul into a random world.“System 202 has escaped.... a-again.....” one of the black-clothed men said. Trembling, he glanced at their team leader.Kai Alden gritted his teeth. “You let him slip away so easily! Send me into that world. I will capture my dear System and bring him back here,”

The worst student of Westroad Academy. The disgrace of the Blake House. A new soul enters the body of Frey Blake, who couldn’t overcome his miserable life and chose death instead.

In a world ruled by mana and bloodlines, John White was born with none.Reborn from Earth into a noble family, he became the forsaken son of a duke (a bastard) bullied by siblings, ignored by servants, and banished at fifteen like trash.Two years later, he's dragged to a mana mine to be quietly killed by his brother's lackey. But fate has other plans.Deep underground, an ancient abyss-grade ring awakens. It merges with Earth’s forgotten technology with the world’s magic. Fueled by pure mana, it unlocks the Black Hole magic, granting him power never seen before.From a worthless outcast to a terrifying Void Lord, John begins crafting magical tech tools that warp reality itself. His enemies have no idea what’s coming.Will he burn his past to ashes… or rebuild the world in his own image?

Everything was going on well until the night before her wedding, Lin Shuyin’s fairytale life suddenly crumbled from her fiancé's call, dragging her to reality...Her fiancé abandons her for her stepsister, her father and stepmother escape, abandoning her to fend off the reporters and media, and by morning, she’s framed for her grandmother’s murder. Thrown into a cruel underground prison, she dies beaten and broken.But death is only the beginning.An ancient soul awakens within her, a woman who spent a century trapped in a lab, experimented on, and injected with beast blood. When her soul awakens, the weak and naive Shuyin is gone. In her place rises someone colder, sharper… unstoppable.Then comes Lu Yuze, her ex-fiancé’s uncle, a man wrapped in secrets and power. He saves her from the abyss, but not for free. His price? Her blood, and her bone marrow… to save his dying daughter. The only thing Lu Shuyin wanted was revenge, and asked for a contract marriage, and money, these were the most important things to survive out there...In a world where betrayal runs deep, love becomes the most dangerous experiment of all.She’s no longer the victim.She’s the revenge they never saw coming.