Toaru Majutsu no Index: New Testament - Volume 16, Chapter 3: Mutual Request for Assistance between Enemies - Double_Enemy.

To this day, Associate Professor Li is still somewhat puzzled.Why has the Immortal Cultivation Realm changed so much in just a hundred years?Looking at the new Sword Sect elective textbook on the table, Li became more silent.[Chapter 1, Introduction to Sword Control Theory][Chapter 2, Maintenance and Care of Qinghe Series Thousand Machines Cruiser][Chapter 3, Postpartum Care of Sword-Toothed Beasts]......Closing the textbook, Li gave up thinking.But just as he was gathering his teaching materials to go to class, a brick-thick book was thrown in through the window.'You Let Me Enter the Sword Sect'Looking at this broken book, Associate Professor Li Guanqi recalled the afternoon he brought Zhang Ze into the Sword Sect.

In a land where no magic is present. A land where the strong make the rules and the weak have to obey. A land filled with alluring treasures and beauty, yet also filled with unforeseen danger. Three years ago, Xiao Yan, who had shown talents none had seen in decades, suddenly lost everything. His powers, his reputation, and his promise to his mother. What sorcery has caused him to lose all of his powers? And why has his fiancee suddenly shown up?

Power runs in blood - and blood always demands payment.Aya rules the North Kingdom with an ancient power that could end her bloodline forever. When Killan, the Southern King, seeks alliance through marriage, politics turn dangerous and desire becomes a liability.What begins as political maneuvering soon becomes something far more volatile. Drawn together by necessity, respect, and a growing attraction neither expected, Aya and Killan must navigate court intrigue, ancient rivalries, and the heavy cost of duty. As old wounds resurface and war looms on every border, the choices they make will determine not only the fate of their kingdoms—but the price of their hearts.Echoes of Ice and Iron is a story of power and inheritance, of love tested by obligation, and of sacrifices demanded by crowns forged in blood and history.

There is a hated person on the popular anime,「Girl & Shuya」.

The Denning, House of the Duke’s third son, or also known as the Piggy Duke, Slow Denning.

As a person hated throughout the school, he had a lot of reason to be hated, things like he looks down on people, he brags about his pedigree, fat, real orc, and the Piggy has a tragic future waiting for him, he would be banned from his country at the end. And he even has the misfortune on the side that the retainer that he secretly gives his heart to, was stolen away from him.

Wondering why I’m talking about this?

It’s because I reincarnated to that Piggy Duke!

I will definitely make the Piggy Duke who had the number one position on the anime’s popular poll, also the number one in the real world!