MTL - Golden Age Legitimate Fei - ~ Resignation

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.

She shouldn’t have got drunk, so she wouldn’t have court the troubles.
She slept with a handsome man and would be sent to the police?
Oh, my sweet Jesus…
“So you just ran away like nothing happened after you slept with me?”
“Old jerk! Even if I had the initiative, it was you who took advantage of me!”
As a saying goes, the more spoiled a president gets, the more likely he becomes a scumbag.
An adorable ‘wildcat’ vs. a scheming frenemy.
This was a love rivalry between a modern Cinderella and a Big Boss.
As time flew, the world was like a fleeting show.
When they met again after several years of separation, he held her hand tightly and swore that he would never give her any chance to leave him again!
Finally, he asked her to marry him and pampered his cute wifey with his endless love.

- Description from Novelupdates

Amelie Conley, the eldest daughter of a revered Alpha family, was once expected to carry on her family’s proud legacy. However, when she turned sixteen, she failed to awaken her wolf, which made her earn the scornful title—the Curse of the Conley Family.At eighteen, she found her destined mate and carried his child, believing she had finally been given a chance at happiness. But when she rushed to share the news, she found him in a compromising position with her younger sister, Flora.Betrayal cut deeper than any wound, but the final blow came when he rejected her without hesitation, declaring Flora as his true mate.Shunned and heartbroken, Amelie made the painful decision to leave her pack for the sake of her unborn child. But just as she tried to escape, she was ambushed—hunted down like prey.Desperate to protect herself and the life growing inside her, Amelie fled to save herself and her unborn child, only to collapse into the arms of an enigmatic stranger—Gabriel Sinclair.Gabriel was no ordinary man. He was the Alpha Prince, a name feared across the nation. For twelve long years, he had scoured the lands for his mate, only to find nothing. He had convinced himself that the Moon Goddess despised him, just as his own mother had. But the moment he laid eyes on Amelie, everything changed.“You were marked, weren't you?” His voice dropped, edged with something dangerously close to possession as his gaze met hers, demanding the truth. The question left Amelie in a dilemma. She didn't wish to tell him the truth.“I am not an ordinary wolf, Amelie. Who the fuck marked you before me?” Gabriel voiced in a possessive yet intimidating tone. Amelie didn’t know that the man, who saved her was none other than the infamous Dark Tyrant—the Alpha Prince, Gabriel Sinclair, whose intentions were still unknown to her.

“In a world where power determines everything, the most dangerous weapon isn't a sword... it's knowing what happens tomorrow.”※※※Cast aside by his own noble family, Vaerik Tudor finds himself exiled to the merciless Northern Province—a frozen wasteland where most are sent to die.No magic. No special bloodline. No legendary weapon.Just when death seems certain, something unexpected activates: a mysterious Daily Intelligence System that provides him critical information about the future.[As the sun rises tomorrow, a dead god's massive body will break through the ice-covered lake, with its heart somehow still beating, pulsing with the ancient power of winter itself.][One young wolf, fiercer than all the rest, fought and defeated every other cub in the red valley territory, becoming the new leader of the entire pack.][Nearly forty battle-scarred giant wolves are right now creeping through the valley to the southeast, with muscles ready to spring and teeth ready to bite, planning to take over your land when night falls.][A never-ending wave of walking dead bodies will soon swallow up every country on this land mass, with the human race barely surviving—for every million people alive today, only one will remain.][A runaway princess from the northern tribe has fled to the red valley lands, but weakened by starvation and freezing temperatures, she has collapsed unconscious in the barren wilderness and will be eaten by a giant white bear before sunset today.]While southern nobles drown in their politics and pleasure, Vaerik is building something unprecedented in the frozen north. A domain where slaves become free citizens. Where barren wasteland transforms into fertile fields. Where loyalty is earned, not demanded.But the north holds ancient dangers...Frost dragons shriek dominance above his impenetrable cold-forged bulwark.Frost giants patrol the mines containing precious magical marrow. Barbarian tribes plot revenge against imperial invaders. Religious zealots hunt for heretics. And an unstoppable threat looms on the distant horizon that could consume the entire continent.Winter is coming, and this storm will eventually engulf the entire continent. When the snows fall and the white winds blow, the lone wolf dies, but the pack survives. The man who passes the sentence should swing the sword.※※※Warning: Contains fortress-building, territory management, strategic battles, hidden talents, and a protagonist who rises from forgotten exile to become the most feared lord in the north. For fans of kingdom-building, strategic progression, and war.