DxD: Shadow Monarch - Chapter 109 - 108: Tiamat hatred (2)

Transmigrated into a flesh ball, my father swung a sword to chop me, why does this storyline seem so familiar?Have I become Nezha?A great cultivator from the Earth's end-times era transmigrates into Nezha. Watch as the young man navigates the prehistoric world, cutting through illusions, slaying dragon sons, subduing the Dragon Palace, and breaking heaven's barriers!

The world had changed when the System arrived, alongside the Cataclysm that filled the world with monsters. The technology was gone, replaced by classes and skills that allowed the people to fight back. When Devon ended up as a Blacksmith, a class that didn’t grant Intelligence, he had to face the reality, that his old career that he loved - mathematical sociologist - was over. Instead, he had ended up as yet another discarded member of the production class, overshadowed by the existence of the System Shops to the point of total marginalization. But, what if all he needed was to reapply his scientific thinking to the System...

Kim Min-jae thought he was just borrowing his sister’s new gothic romance novel. Instead, he wakes up as Kaizar Amagi, the man who ruins everything for the novel’s beloved heroine.In the original story, Kaizar is a ruthless schemer who marries Duke Meical Vukasin, the heroine’s destined partner, purely to destroy her. He dies hated and alone.But Min-jae isn’t planning to die for anyone’s plot. If he’s stuck as the homewrecker, he’s going to be the best damn homewrecker this world has ever seen.He plays his part flawlessly: charming Meical, dismantling the heroine’s plans, and smiling sweetly as she loses everything she holds dear.What he doesn’t expect is for Meical to fall for him for real or for the story to reveal a hidden BL route that was never in the book his sister read.Now, in a world of revenge, lies, and dangerous passion, Kaizar isn’t just ruining the heroine’s fairytale ending… he’s rewriting the entire story as his own.

[No fixed CP + wear books + brain hole cool text + women disguised as men + group pet]

Gu Lan crossed over and became the cannon fodder of the original book disguised as a man, counterattacked the protagonist of the original book who slapped her face, and lived in a dormitory full of sickly beauties.

Until one day, she discovered that her roommates were villains from other horror novels. After discovering the secret, Gu Lan thought she would be killed, but her roommates all looked at her strangely… Contrasted with cute Zhengtai, sickly and beautiful boy, split personality school girl, cold and stern school bully, romantic and noble son who plays Shura every day field.

- Description from novelbuddy