Marrying My Ex-Husband's Arch Enemy - Chapter 2 - Changed To a New Groom

When an alien ambassador crash-lands in Tim's backyard and demands, 'Take me to your leader,' the 12-year-old does what any kid would do: he points to himself and says, 'That’s me. I’m the King of Earth.'Now, thanks to a hastily signed treaty (and a promise to hand over Jupiter), Tim’s got an armory of world-ending alien tech, an invulnerable Planetary Base in his backyard treehouse, and one tiny problem: nobody told him ruling a planet would be this hard. Between conquering Earth, fending off hostile fleets, outsmarting intergalactic bureaucrats, and explaining his absences to his Trekkie dad, Tim’s in way over his head. But if he can’t bluff his way through alien diplomacy fast, humanity might end up as collateral damage.“King of All I Survey” is a fun, heart-pounding sci-fi adventure where one kid’s lie decides the fate of Earth—and homework is nothing compared to intergalactic war.

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

Will this treacherous darkness swallow you up, or will you survive as a unique existence?Lin En accidentally transmigrated into this monstrous world. As a rare human doctor, every one of his patients was moved by his “gentle” treatment and “sincere” service!“Anesthetics? Maybe next time.”“My knife is quick, it’ll be over soon~”Welcome to Bloodsaw Pharmacy, where we will serve you wholeheartedly.

Lucan Ironfist came from a noble family, but he wasn't the eldest son. When his brother became the head of the family and he turned 18, Lucan would become a commoner. A strange rule, but that's how it was. So Lucan began to think of a way to live a peaceful life.As he was considering this, his mother arranged for him to become a priest in another city. A priest didn't have to worry about food or housing, and all he had to do was watch over the temple and the statue.It was easy work, so he agreed and arrived at the city. One day, as he was watching over the temple and the statue, a poor-looking girl came to pray. When she prayed to God, light gathered around her body.Lucan was surprised and suddenly remembered the plot of a certain game. Originally, Lucan was from Earth and had traveled to this fantasy world. When he was on Earth, he played a game with a plot where a merchant family's illegitimate daughter, bullied by her family, awakened the power of a saint.Lucan decided to keep this secret and train the saint so that in the future, he could have an easy life and save himself from any crises.