MTL - The Villainous Bosses Mentoring System - Chapter 9 Liu Dazhao's comics

In fact, Ling Yun was the son of a wealthy businessman. But one day, his mother finds out that her husband is having an affair with his secretary. And after that she decided to divorce her husband, but at that time she did not realize that she was pregnant with Ling Yun.

After learning about her pregnancy, she decided to move to another city. And since then, their lives have been up and down. Because of the economic crush, and also his mother's health was getting worse.

He decided to take the 'Dark' path, which led him to near death. But just as Ling Yun was nearing his end, he heard a little girl's voice asking him.

“Do you want to live?”

Reborn in the world of Naruto as the Nine Tails, he finds himself sealed within Uzumaki Kushina. No longer just a mindless beast, he possesses his own will, intelligence, and the power to change the fate of the tailed beasts.Madara : I never thought that my Rinnegan would be crushed by Nine Tails.Hashirama: Times have changed. I once controlled the Nine Tails, and now the Nine Tails controls me.Uchiha Mikoto: Kushina, I didn’t expect you to have something this powerful sealed inside you.Uzumaki Kushina: Each of the Nine Tails' tails gives me a different feeling.At this moment, the Nine Tails stood tall, representing all the tailed beasts.“Tailed beasts will never be slaves!”

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Yu Xiaotong’s new novel “Fate's Little Feral Consort”. She was a world-famous miracle doctor in the 21st century. If The King of Hell wanted a person to die at mid-day, she would only let that person die in the evening. After going back in time, her soul was now in the body of a cowardly and incompetent lady of Eternal Peace Marquis’s Residence. On her wedding day, she was sent to the bandits by her fiance. Immediately, she gave the useless man a letter of divorce.

Get lost! Vicious stepmother, hypocritical stepsister, cruel father; all of them wanting her life. She has her own Spirit Beast, she could refine elixir pills; she could even effortlessly master new skills. But why did the handsome and domineering ninth imperial uncle entangle her when she was dealing with those hateful scum? She looked back and sneered, “is our relationship that good?”. The man narrowed his eyes and looked as fierce as a beast, “I’ve already held you and kissed you. Do we have to be in bed together? ”