Dungeon Overlord: Monster Girl Harem! - Chapter 12: Tyrant Accel!

Edwin was once a world renowned scientist, attested for his understanding in genetic. Was. Involved in a scandal, he was disgraced and thrown to the dirt. And when he wanted to commit his final act of revenge upon the one who threw him there, he die, not by the assassin sent after him, but death through the illness that have been plaguing him since childhood.However, after death, he soon woke up in a brand new world, one filled with magic and monsters. However, he woke up as demon, enemy of humanity, and given a system that will help him empowered monsters through either magic or genetic modification.-x-“Hah, enemy of humanity, I like that. When have human ever been grateful to me! Now, I will plunge the world into an age of demon and monsters!”Filled with desire to watch the world fall into ruin, Edwin, now Alros Kadarni, will cause as much destruction as he can. From one kingdom to the next. From one continent to the other. All by using the different danger zones that is feared by all sentient beings that is not monsters not demon.

As childhood sweethearts, they were made to engage under the manipulations of their families. It involved having to to live in the same room and sleep together.

One night, she is accidentally made drunk, and in his delirium, he kisses her only to realize he enjoys it. From time to time, he would sneak a kiss on her, but his “crime” is eventually discovered in an accident. After being accused by her, he says with a smile, “You are my wife, why can’t I kiss you?”

The two people’s daily routine is full of bickering and mutual discrediting of each other.

Although he claims to disparage, he actually cares intensely about her. He feels crazily jealous when she is close to other men, to the point of tying her to his side, so that she becomes exclusively his.

- Description from web

When a Medical student awakens in an infant's body in the deadly Hidden Mist Village, he knows surviving will require more than just his memories of a past life. In a world where children are forced to kill each other and bloodline abilities mark their wielders for death, Ren must carefully balance hiding his true potential while gathering enough strength to change the village's dark future. As Kirigakure descends into an era of unprecedented brutality, this reincarnated soul will discover that the deadliest technique isn't found in forbidden scrolls - it's knowing exactly when to reveal your true power.Fair Warning:This is a slow-burn story - no overpowered MC from the startPower progression is realistic and earned through years of dedicated trainingContains graphic violence and deathStory builds gradually with careful character and plot developmentWhat to Expect:Detailed training arcs and power progressionClever manipulation of future events using foreknowledgeOriginal story arcs and character development[This novel is for readers who enjoy:Smart protagonists who rely on wit over raw powerRealistic skill progression and strategic combatDeep world-building and political intrigueA fresh perspective on the Naruto universe]

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates