Toaru Majutsu no Index - Volume 12, Chapter 3: Misaka and Misaka’s younger sister. Sister_and_Sisters.

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.

(Immortal Cultivation+Meeting a Perfect Match+Shura Field+Invincible Flow+Upgrade Flow+Playing the Pig and Eating the Tiger)—What is cultivation? When I think back to the past, cultivation was, as a baby, kicking my legs over and over again—kicking on the bed, kicking on the ground, kicking every single day. Cultivation was, as I grew older, swinging my sword again and again—slashing here, cutting there. Cultivation became, as I matured, the repeated harmony of yin and yang—busy tonight, and busy again tomorrow night. … My name is Xu Ming. I have never cared about the stipends given to me by those sect masters, noble ladies, or princesses.I said to her, “Can you give me a room closer to yours? I need to report my work to you at any moment.” Even if I accomplish nothing every day, I just want to watch how she cultivates. I…

Yun Muxi was a young scriptwriter in the 21st century who once time-traveled back into the olden days of China.

There, she met and fell in love with the Emperor, Duanmu Gongyu. After a torturous heartbreak, the duo separated and never saw each other again.

When Yun Muxi returned to the modern world, she ended up working with a rising actor, Gong Yu, who happened to be the same man she once loved with her whole heart. As soon as he set his eyes on her, the feelings of yesterday came back and he was determined to make her his again.

As Gong Yu tried to woo Yun Muxi repeatedly, she realized that she found it hard to resist his charms. However, the duo was trapped in a series of events that made falling in love impossible.

The modern-day Yun Muxi now has a daughter while the father of the child remained unknown. Gong Yu, on the other hand, had developed a history of heart attack.

On top of that, their story unraveled with shocking truths at every turn. The star-crossed lovers were faced with steep challenges that constituted the endless list and many sacrifices had to be made.

Would they eventually be given the chance to love freely?

- Description from Novelupdates

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.