MTL - Scriptures of the Great Emperor - Chapter 169 Eight years (two in one)

The male student, Fukai Nagamasa, ignores his studies for college entrance exams in favor of following the path to chuunibyou. As he fainted during night cramming session before the exams, he realized that he was transported to a parallel world as a feudal lord in the Sengoku Era. Not to mention that suddenly, he was marrying the sixth Demon King, Oda Nobunaga’s little sister, the one who was purported to be an unrivaled beauty?

[Group Pet + Koi + Prediction + Boss + Vest + Food]

The scientific research boss travels through the farmhouse, and the sick child becomes a three-year-old fan who spits milk. Comes with a koi physique, full-level genius doctor skills, and proficient in growing delicious food…

Wait, when did I have an extra predictive skill? The misfortune of the father, mother and elder brother is easily resolved by the milk dumpling, and the unlucky physique of the fairy brother is cured without medicine, and Xinbao only wants to eat, drink, play and be a rice worm in this life…

- Description from novelbuddy

Luna Lethal, a name synonymous with fear and power, ruled both the underworld and the elite circles of society. Orphaned young, she rose through treachery to become a master of manipulation and skill. Yet, her reign ended in betrayal—a laboratory explosion claimed her life. To the world, her death was a tragedy; to her enemies, a cause for celebration. But Luna awakens in the body of Aurora Smith, a neglected and ridiculed child despised by her adoptive family. Stripped of her former strength but not her will, Luna faces a choice: seek revenge for Aurora’s mistreatment or forge a new path. As her sharp mind and unyielding spirit transform Aurora’s life, shadows of Luna’s past resurface. Loyal followers sense her presence, while old enemies seek to destroy her again. Torn between vengeance and a fresh start, Luna must confront her identity. Is she still the Devil of the underworld, or can she find peace in a second chance at life?

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

- Description from Novelupdates