MTL - 70s: Dressed As a Villain’s Wife - Chapter 83 teacher

I want an S-Rank skill too! I want it so badly, I could die for it!

Eh !? WHAT IS THE POINT OF GETTING ONE IF I DIE !?

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.

Yun Che, a big shot in the doomsday, who even the militaries drooled upon, finally died in the hands of his beloved and family. After reincarnation, he wanted to live for his own!

Xing Feng, a rooting third military generation, didn’t lay his heart in the army at all. So when he turned to 20, he chose to leave the army and went into business. When the doomsday came, he accidentally met Yun Chen and started a new chapter of his life, meanwhile, his moral bottom line kept hitting a new low…

- Description from Novelupdates