Seven Unfortunate Lifetimes, All Thanks to a Single Moment of Impulse - Chapter 37

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Step into a world where science meets the unknown, where mechas clash in brutal duels, and where every Biocore holds a mystery waiting to be unraveled.Follow Nioh, a genius weapons designer, as he uncovers lost technology, battles biomechanical titans, and pushes the limits of power, in an intergalactic thrilling adventure

Qin Xiaobai transmigrated into a husky.
And his master turned out to be a goddess-level live broadcast.
Reporter: “Miss Su, you are now the first sister of Douyu. What’s the secret of your success, is it your good looks or hard work?”
Su Wanqing thought for a long time, then pointed to Erha beside her and replied, “It doesn’t seem to be the case. The main credit for my current achievements is that my Erha is so outstanding! Sometimes I even doubt that my Erha is the protagonist. …”

- Description from novelbuddy

Three reincarnations. Fourth life.

She was chosen to grow up as the Child of Fate; but when the real Child of Fate appeared, she was sacrificed for that child.

In the second life, she was abused.

In her third life, she lived as a beggar.

“This country is not safe. Let’s defect!”

LeBlaine chooses to be re-born into a new family to defect. The family she chooses is…

… the family of the future biggest villains in the Kingdom.

“Let’s try to get along until the time of my exile!” is what she tried to do. But what happened was…?

“My daughter is the cutest IN THE WORLD!”

“Give me that building, I can use it as my sister’s bathroom.”

“Don’t worry, LeBlaine asked me not to hit you. Not to not kill you.”

“WHO, WHO MADE MY SISTER CRY?!”