My Slayer System: Rise to Supremacy - Chapter 420: Crossover!

For the ten years she was the adopted daughter of the Lockwood Family, Isla Prescott had always been well-behaved.The only time she stepped out of line was to have a secret relationship with Silas Lockwood, whom she'd had a crush on for years.Because of their vast difference in status, the relationship came to a messy end.After Isla Prescott and Silas Lockwood broke up, she was pursued by Silas Lockwood's good friend, Shane Sterling.“He doesn't know how to cherish you. Why not consider me instead?”In Isla Prescott's eyes, Shane Sterlingwas mischievous, cunning, and full of nonsense, yet he was an even more unattainable figure than Silas Lockwood.Isla Prescott was sure she had never provoked him, but he cornered her by the bedside when he was drunk,caressing her red lips again and again, pleading with her over and over, “Isla Prescott, won't you give me a kiss?”What she didn't know was that, in places she couldn't see, he had been waiting with deep affection for a very, very long time.

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.

- Description from Novelupdates

Liu Fang, a manager, died suddenly at work due to being too diligent.
She thought that she would turn into a wisp of dust and dissipate after her death, but she never imagined that – the new century, the new underworld, even if she became a soul, she would still be a worker!

Liu Fang has become a newcomer to the underworld Quick transmigration Department. In order to wait for a good reincarnation, she strived to accumulate merit and traveled into one world after another to repair the way of heaven.

- Description from Novelupdates

After finishing a novel, Betty wakes up in an unfamiliar world—inside the very book she just read.In the story, the original “Betty” was the fake daughter of the powerful Johnson family. Once the real daughter returned, Betty was cast aside, ignored by the people she once called family. Her once-loving brother abandoned her, and when the apocalypse arrived, she struggled to survive alone. Despite becoming an A-rank Ice-type Awakener, she clung to the hope that her family would one day accept and love her.But that hope led to her tragic death.Now, the real Betty—our Betty—has taken over the fake daughter’s body. And this time, she’s not the same naive girl desperate for affection. Grateful that the apocalypse hasn’t started yet, Betty prepares for what’s to come.In this second life, she awakens a mysterious “cheat code”—Space: a boundless pocket dimension where she can store unlimited supplies—from food and medicine to weapons—all untouched by time or decay. A hidden sanctuary where she can rest, recover, and plan.[Warning: Story can be fast paced, I don't want to waste words on long descriptions][In this novel, there can be cultivation elements included,so this novel will not always be about the apocalypse in the future]