A Thought Through Eternity - Chapter 47 - Bai Xiaochun leaves the Sect

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.

Su Mian, the forgotten bride, has endured three years as ​Fu Tingzhou’s invisible wife—a man so coldly abstinent, he never even glanced at her. Branded a “murderer’s daughter,” she’s spent her life as a human blood bank for the Su family’s pampered heiress, her true worth buried beneath lies.When Tingzhou finally meets his timid wife, he sees only a gold-digging burden. Her quiet devotion? Ignored. Her shattered heart? Dismissed. He hurls divorce papers at her, snarling, “Disappear.”She obeys… and unravels his icy control.Now, the untouchable CEO is on his knees.Her absence ignites a frenzied, scorching obsession. Fu Tingzhou hunts for the wife he never wanted—only to discover her vanishing act hides earth-shattering secrets: ​switched identities, a hidden lineage, and a woman who’s no longer the meek shadow he discarded.

One morning, after being bound to the system, MC started his routine of always being captured/ attacked by the ML.

It doesn’t matter if he transmigrated into the ML’s little brother (TN: Here I think brother disciple) or master or opponent, but in the end he is still forcibly taken by the ML.

After transmigrating to many worlds:

MC: Come out system!!! The heck?! Why do these MLs not love their female goddesses, but insist on doing it with me! Aaaaahh!!!

System: …. __(:3」∠)_ Don’t ask me, I also don’t know.

- Description from Novelupdates

In a world where strength reigns supreme and only the strong are revered, conflict and injuries are commonplace.