Maou-sama no Machizukuri! ~Saikyou no Danjon wa Kindai Toshi~ - Volume 9 Chapter 7

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

Ye Qing transmigrated into a novel. She was only an unimportant character in the novel, and she was free to live a wonderful life by herself.

But, her happiness was short-lived. One day, an adorable girl that looked around three-year-old popped up and called out in a milky voice, “Mom.”

Ye Qing: ???

On another day, a cute and handsome twenty-something guy hugged her. With tears in his eyes, he said in a voice that was full of affection, “Mom!”

Ye Qing: ???

After Ye Qing had somehow inexplicably become the mother of two children, she discovered –

Neither of these children were human!

***

One day, a little girl pulled a certain big boss to the side to whisper, “Dad, mom was patting my head when she was telling me a bedtime story. I felt too comfortable, and I accidently swung my tail out. Mom seems to have seen my tail. What should I do? QAQ.”

- Description from Novelupdates

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

As soon as she fell into the world of beastmen, a leopard forcibly took her back to his home. Indeed, Bai Qingqing is at a complete and utter loss. The males in this world are all handsome beyond compare, while the women are all so horrid that even the gods shudder at their sight. As a first-rate girl from the modern world (she’s also a quarter Russian), Bai Qingqing finds herself sitting at the center of a harem filled with beautiful men — at the very peak of existence.