MTL - Evolved From Polluting the World - Chapter 22 "Tower Net"

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 returned to Earth as the invincible Knight King. But the Gods came with me.

Jiang Che traversed into a merged novel world, becoming the major villain in the novel. His story begins with the descent of a divine healer.

However, this healer is not ordinary; he actually has seven exceptionally beautiful senior sisters. Moreover, the eldest senior sister, whom the protagonist has long admired, turns out to be his childhood sweetheart and fiancée?

According to the plot, he is supposed to end up with his family destroyed and himself in ruins due to the protagonist’s actions. Therefore, Jiang Che can only lay out his plans in advance, changing the plot time and again.

Soon, an outrageous scene unfolds. The beautiful senior sister, who initially had tender feelings for Ye Chen, is now insisting on marrying no one but Jiang Che.

The ‘lolita’ senior sister even drags Jiang Che to her home daily to show him her newly bought white silk stockings…

After Ye Chen comes down the mountain, he is completely enraged seeing his senior sisters one by one turn away from him. Jiang Che then innocently expresses: “Chenzi… it’s not my fault, your senior sisters are just too enthusiastic…”

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates