Kill Me More Times, I'll Become Invincible - Chapter 3:

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.

I’ve become a rogue lord in another world! This is the story of a game I was playing! The story of the protagonist, who has become a rogue lord who dies after two days, successfully uses the game’s history and system to escape his impending doom and become the strongest.

In order to be reborn, Shen Mubai took up the task of saving the male lead from the path of suffering. Xuanzang struggled through eighty-one trials before he finally obtained the true Buddhist scripture, and yet she, Shen Mubai, had to toss in her entire self.

Shen Mubai: Are all male leads this strange? Thanks. I want to make a complaint.

System: What does him being strange have to do with me?

Note: Xuanzang is a character in Journey to the West based on the historical buddhist monk Xuanzang. He journeys to obtain the Sanzangjing, “Three Collections of Scriptures”.

- Description from Novelupdates

In the previous life, she was a swindling charlatan who had neither learning nor skills and was beaten to death.

Upon opening her eyes again, she had returned to when she was five years old. An impact from a clay Buddha opened her divine eyes, gave her photographic memory, astonishing talent, ability to view another’s past, able to sever the ties of disaster and fortune of life and death, a heaven defying rejuvenation technique, and a technique to recognize treasures.

In the last life, her family became ruined and she ended up a homeless wanderer.

In this life, she will defy heaven to change her fate and take back her happiness.

In the last life, she had nothing, had no education nor skills, was despised by others, and was looked at with indifference.

In this life, she exerts herself to become a real master of metaphysics, stands in the summit of the world, became a legend in the business world, sought after in the political circle, and a VIP of the underworld……

Those who owe her, all will be given one’s due!

He, like a deity who shows disdain for the world not only treats her with familiarity but also guards her like a loyal dog.

Her life became an unprecedented and unique existence.

- Description from Novelupdates