History at the Library - Chapter 45: Aidan responded in a tone that suggested she was asking the obvious.

[COMPLETE] Can a royal Romeo and Juliet find their happy ending?

Ayleth, Princess of Zenithra, is secretly trained in hand-to-hand combat, and collects swear words she doesn't know how to use. During the Festival of Peace, in which every royal son on the continent will be at the castle for a month, she is instructed by her parents to find a husband. Yet, Ayleth has never even been kissed—until the very first ball, when she meets the man in the Lion mask.

Etan is a seasoned warrior, and the Prince of Summitras. He attends the Festival hoping to find a powerful wife who will help him conquer the dark sorcery of their bloodsworn enemies, the Kingdom of Zenithra. But at the very first ball, he discovers the masked woman who captures his heart is the Heir to the evil empire.

Ayleth and Etan face an impossible battle. Will their love survive? Or will their parents' dark dealings keep them apart forever?

[Mature content. No sexual violence.]

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“You…” She stepped back. Then back again, her mouth dropped open. “You… You cannot be…”

“I am,” Etan said, and his hair raked back as he pushed his mask off his handsome face. So handsome her heart raced.

His hair was ebony black, his skin a warm brown that threatened to fade in in the winter months. He stared at her with glittering green eyes, over high cheekbones and a noble nose, his jaw tight and shadowed this late in the day. His chin was high over the pillar of his neck that she’d just touched with its hard lines and steel strength, so different to her own. And his chest... She gasped and covered her eyes. She’d humiliated herself revealing her stupid, childish curiosity.

“No, Ayleth. This changes nothing.”

“How can you say that? It changes everything!” She was horrified to realize she was crying.

“Ayleth, please.” His voice cracked on the plea and she stared at him, shoving her mask up and off, despite how it would pull her hair out of the beautiful twist the maid had managed for her.

His eyes locked on hers and she couldn’t think. She couldn’t breathe.

She had met her One. And he was the son of her bloodsworn enemy.

She stared at him as he stepped forward again, offering both hands, palm up. “Touch me,” he whispered. “Hold my hands. This is real, Ayleth. I don’t know how it happened, but this is real. Please don’t deny it.”

She couldn’t resist. She raised a trembling hand to his cheek, letting her palm catch on the scruff of his jaw. He blew out a breath and put his hand over hers, and that jolt that happened whenever they touched shivered through her again.

“Please, Ayleth.”

“I cannot deny it,” she whispered.

Ethan possessed everything one could desire, wealth, happiness, luxury cars, and a loving girlfriend.He had never fought a day in his life, but then suddenly, he woke up in a different world.A world were destruction and bloodshed was the norm. A world where the weak had no place to survive.Ethan now possessing the body of a boy who had failed his awakening twice and was on his last try, now stood in this world.Can Ethan who never fought a day in his life survive in a world where battles and death occurs every second, minute, hour and day.Would he rise through the ashes of the world, or would he burn with it.

A normal person, Xin Yun, received a second chance by transmigrating to an unknown world. But because he chose to indulge in women, he lost his chance to become the most powerful.

When he gets caught by the force a struggle between the nine most powerful experts, something unbelievable happened, or it could be said that a miracle occurred. Xin Yun was reborn and sent back to the place he had transmigrated over to.

Having been reborn, Xin Yun decided he wanted to become the strongest being together with the three top experts from his previous life: the most beautiful dragon- Sparkling Butterfly, Yi Luo Xiang, the cruel dragon- Evil Empress, Yan Qing Ying, and the most dazzling dragon- Peac*ck King, Ming Xuan!

Furthermore, he wanted to pursue love with the most beloved person from his previous life- Yi Luo Xiang! Xin Yun, making use of his good fortune, used his memories from his previous life to prioritized becoming friends with Yi Luo Xiang, Yan Qing Ying and Ming Xuan. He even received a godly artifact from his previous life- the Heaven Splitting Axe!

- Description from Novelupdates

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

- Description from Novelupdates