It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 1467: Lord Demon!

On the first day of their divorce, he said, “She'll be back before midnight.”The second day, “She'll be back in three days. It's just one of her stunt to make me mad”.The third day, “She cannot do without me so she'll be back in seven days.”On the seventh day, “She'll definitely come back within two weeks.”After a whole month... “Boss she's really doing it, she's kissed a stranger at the gala.”“Catch her and bring her home.”In her past life she was the good and enduring wife, in this life she became his little devious sin. A pain in the ass and his little ass kicker.“No one dared treat Mr Hamilton the way she did, do you think he would forgive her?”Harlow Blackwood was accused and wrongfully killed in her past life by her family and husbands family. But fate had other plans for her.When she returned, Harlow swore to take revenge on the people who killed her children and ended her life. But there was something else in this life. The husband who joined her enemies to attack her in her previous life turned out to dot on her more than ever before.In her past life Harlow was a mighty cook and would prepare food for the entire family, she turned into their slave to please them, yet no one liked her.But in this life...“I am useless hubby, I can't cook, clean, have kids or take care of you...Her hubby smiled. “None of those matters. I can cook, clean, take good care of you, and most importantly, give you children. How many are you willing to have?”In her current life, her husband has a huge secret too, what could that be?

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

Takashi Nakamura is an ordinary student, constantly targeted by bullying from his classmates, living a life marked by loneliness and disdain. When he and his peers are mysteriously summoned to a new world, their hopes for change quickly fade. Deceived by everyone, he is accused of crimes he didn’t commit and executed by his classmates who planned everything from the start.Reborn as Pandora Aegis Oblivion, the new Demon King, Takashi no longer cares about the consequences of his actions. With immense powers at his disposal, he embarks on a journey of chaos and destruction, determined to plunge not just the kingdom, but the entire world into absolute chaos.In a universe filled with shadows and magic, Pandora transforms into an unstoppable force, a symbol of despair and power. As she progresses, she confronts relentless enemies and the reality of her new role. In her quest for total destruction, she will discover that every act of revenge comes at a cost, and that even amidst chaos, echoes of the past can resurface, challenging her resolve.

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.