MTL - When Does This World Have a Blood Bar Displayed? - Chapter 499 Demon King's Change

I was a failed experiment

Criminal Psychologist, Su Xiao Pei, who was an leftover woman in her modern life, was informed by the God Of Marriage, Yue Lao, that her destined lover was in a car accident, his soul was sent to another world. Su Xiao Pei was ordered to bring back this strange man who was connected to her by the red string of fate. Otherwise, she will live the rest of her life in loneliness, with no one to support her.
But how does that man look? No idea.
What’s his personality like? No idea.
What does he do for a living? No idea.
Can she not go? Of course not.
Su Xiaopei, who believes in all things logical has run up against a serious wall this time.
The bottom line: This is a story about a modern female psychologist who has traveled back in time and an adorable warrior as they talk about love and solve crimes.

- Description from Novelupdates

[Disclaimer: Slow storyline, contains hypnosis, pregnancy, tragedy, netori, and Anti-Hero genres]Author : Andi CandraSynopsis:A young man from Indonesia transmigrates into an anime world. Taking over the body of a person named Rokuhara Ren, he is stunned to see the 2D characters he once only watched in anime come to life.Like countless other transmigrators, he plans to build a harem. Within just a year, Ren successfully impregnates his homeroom teacher, Nakano Itsuki, and his classmate, Maria Mikhailovna Kujou.He thought his peaceful life would continue. His view of the slice-of-life world crumbles when he encounters Yotsuba Miko, Gentōga Keitarō, and Ayase Momo. To make matters worse, Ren discovers that there are also Campiones in this world.Oh no, how can he raise his children with so many unstable factors?There’s no other choice—he must become a Campione himself!Witness the life story of a scumbag rising to become a Campione respected by the world!