One Piece: Seaside System - Chapter 6: Marine Based -

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.

Lin Mu was pushed down the cliff, but he did not die and arrived to a magical world instead.

A huge python with wings and can fly, alright, just think it as the legendary Mayan Snake God;

A gigantic centipede that can fly in the sky, alright, he kinda seen it before in ‘Journey to the West’;

A mighty big wolf with a body as humongous as an elephant, en, just think it as a mutant;

….

Although the animals in front of him were a little strange, they are still animals but why did all of you suddenly turned into humans? Coming across wild beasts, Lin Mu still can accept it, but coming across ‘*yaojins’, Lin Mu became . . . . . . excited instead. What? You guys are the infamous drifter beastmen? I don’t know anything about that. You guys did a lot of heinous crimes? I don’t see that either.

And so, Lin Mu began a hard but satisfying life of building a home in a another world.

*Yaojin/妖精 doesn’t have a proper English equivalent word. The nearest meaning would be supernatural being or Yokai (Japanese).

- Description from Novelupdates

Getting lost in a trip made Tang Siyu be mistaken for streetwalker, and she lost her wedding night. After returning home, she found the fiance cheat her with her sister. She cancelled the wedding in anger and declared missing.

Five years later, she came back with her gifted son. Unexpectedly, her baby took part in the piano competition in order to find his father. “My name is Tang Bao, my mother is Tang Siyu who is super beautiful! I am four and a half years old this year. If there is a man who looks like me may be my father. Please contact me! ” Behind the scenes, a woman was mad. A few days later, the mysterious man called himself the father of her child. Tang Siyu looks at this tall and handsome man who looks like her son. She is angry. So, he was the bastard five years ago?

Transmigrating into a world of cultivation, you find yourself at the lowest rung of the sect's hierarchy. Everyone wants to bully you to gain some benefits. Fortunately, there are always a few junior brothers and sisters who are 'generous and understanding', allowing you to improve peacefully and secretly grow stronger. Years later, unbeknownst to anyone, you successfully become a deity within the sect. This day, your master visits you at the sect's request.'The upper echelons of the sect believe you have been diligent and loyal over the years, and though your strength is mediocre, you are an honest person, so they've found a marriage alliance for you.''An alliance marriage?''Not exactly. The other family has a rule: marrying into their family means taking their surname.'Is this... becoming a son-in-law who marries into the wife's family?