Cyberpunk: Ultimate Cyborg System - Chapter 137: Goal.

Yu Xinyan was a tragedy in her previous life. She grew up well, studied well, and should have a bright future, but was used by her adoptive parents to pay off her debts.

It’s okay to marry a second-married man, but she was also used by a scumbag to become a hen that doesn’t lay eggs, and she was blinded, cursed, and bullied by her stepson and stepdaughter for most of her life.

In the end, Yu Jie suffered from an incurable disease, and she didn’t wait for her husband’s greetings, but was kicked out of the house.

It happened that fate tricked people, and accidentally learned the real reason for her infertility. She wanted to be strong for a lifetime, but her life became a joke.

After rebirth, whoever loves this nanny wife should be whoever she wants.

Just as he was thinking about how to change the situation, he found a small space by chance and smiled at the golden finger given by God.

Cleanly kicked the so-called dedicated man, turned around and married the boss in the factory, who had a hard time getting a wife, and lived a sweet little life without shame or embarrassment, who knows who is happy.

- Description from novelbuddy

When The Cute Kunoichis Spied on Their Teacher's Secret is a light novel written by Kazuma Kamachi and illustrated by Ryuushi Tajima.

The story takes place in a world where Japan never ended their isolationist phase, and agents from foreign powers are always threatening to steal the country's advanced technology. In order to combat this threat there has been a resurgence of ninjas that use Strategic Martial Arts, techniques that combine cutting-edge modern technology with a traditional foundation of martial arts and ninjutsu. The story follows Souha Sugiyado, a 17-year old ninja instructor and former ninja prodigy who was forced to retire from active duty by the wounds he suffered in his last mission. Souha's four students are all kunoichi who have all gained the rank of Elite Ninja, the highest official rank available to ninja. However, one day two Shogunate ninja approach him with the news that his four students have gone rogue and have stolen a portable modular nuclear reactor, and thus they ask for his help in bringing his students to justice.

When he first crossed over, Chen Liguo did not want to accept it.

In the past life, he was an aerodynamic engineer of a well-known company, and in this life, he is a college student of a famous school.

When the two identities are perfectly integrated, what sparks will appear.

His life experience is also slowly uncovering the mystery, whether he can beat the tycoons of this era, and whether he can stand at the peak of world business.

- Description from novelbuddy