Ryn of Avonside - 2: The World is Gone

The 5,000 years-old boy has resurfaced!In the distant past, young and foolish Asley flunked out of the prestigious Magic University… by failing an early exam that had a 100% passing rate until then. Shortly afterwards, he accidentally created the immortality-granting “Drop of Eternity,” and upon consuming it, obtained an eternally lasting body.He devoted himself to researching magic for almost 5,000 years… after which he traveled in search of the world’s most mysterious Dungeon. Along the way, he happened to save a family, and then their town, from a monster attack. Before he knew it, he was hailed by the locals as a savior with ancient arcane arts and knowledge…While helping to rebuild the town, an opportunity came up for Asley to enter the Magic University once again, so he did. One thing led to another, and his initially normal journey got bigger and bigger — studying, adventuring, monster hunting, money-making, hellish training, uncovering conspiracies, saving the world, the whole nine yards!Thus began the adventure through the mundane and the insane of “Eternal Fool” Asley, his Familiar wolf-dog Pochi, and all their friends and enemies along the way!

Xu Mo, a modern high school student was sent back in time to Jing Kingdom and found herself trapped inside of the body of a princess with the same name.

She had barely recovered when she learned of an unparalleled fiancé and in a daze, they got married. Then the stunning genius physician who normally does not pay attention clamoured to marry her. After that, there was a cold general, a flirtatious lord, a tsundere young master……

As it turns out, this was a male-dominated dynasty. Because the female population was sparse, the entire nation shared wives regardless of rank or nobility. Is it feasible for someone who wants to maintain monogamy in this dynasty?

- Description from Novelupdates

With a marriage contract forcefully done, he married her, and all she could do was comply, and resent him deeply for that and for all the following misunderstandings they faced.
However, it was already too late when she understood she actually loved him.

[A sequel to The F-Class Healer Omega is a Villain]In the city of Seoul, nothing had truly changed since the last surge of gates—at least, not after the last high energy levels had stablized. The country had settled into peace and harmony, guarded by an even stronger awakener… until the moment he became pregnant.Two months into his pregnancy, that stability shattered. S-Class gates erupted across the country in an unprecedented stream, swallowing cities in panic and destruction. But these gates themselves weren’t the most troubling part.The one who triggered them—undeniably an S+ Class awakener—had vanished without a trace. Gone. Offline. Watching the country burn from the shadows, planning something far more dangerous.With the nation on the brink, the Central Bureau for Awakeners had no choice. They assigned the task of hunting down this mysterious new S+ Class to the strongest hunter in the country.And who is the strongest hunter, you ask?Of course… it’s me.