MTL - Crossing the Other World to Build Gundam - Chapter 5 Target

Zheng Tan somehow returns to the year 2003, turning into a black cat. Picked up from a rubbish heap by the Jiao family, he is given the name “Charcoal”, and so begins the life inside Professor Jiao’s family. Zheng Tan remembers that he was once a person, but currently his body is that of a cat. He has no way of speaking the human language, but can understand it, and even retains the thinking and IQ of a young 20 year old youth. Read along as he adapts to this new world, and somehow tumbles from a group brawl to catching a thief.

- Description from Novelupdates

As a member of a beast-taming clan, Ye Jingcheng has the opportunity to exchange contribution points for beasts. To everyone's surprise, he chooses a wounded fox among all the available beasts, which people believe won't make it. However, only Ye knows that the mysterious Jade Book inside his body can save the fox's life.

Above the firmament, a giant Kun, stretching thousands of meters long, flew over the city, ignoring the barrage of missiles.In Australia, an apocalyptic serpent, thousands of meters long, destroyed cities and devoured millions, leaving slowly after the detonation of several nuclear bombs.In this perilous world, Chen Chu, who unexpectedly acquired the avatar of a six-horned salamander, felt somewhat bewildered.What could a palm-sized salamander do? Record videos to gain traffic? Catch shrimps in a creek? Or... evolve into a colossal beast?A six-horned salamander, also known as the six-horned dragon, with the ability of infinite evolution, was gradually evolving into a mythical apocalyptic beast.Its body length extended to hundreds, thousands, and even tens of thousands of meters...And with the characteristic of synchronized enhancement, Chen Chu's own body also grew stronger, with increasing power and speed, and even...

Going for a swim, she ends up in an ancient wild Beast World and ends up being brought home by a handsome wolf.
She wants to stick to the handsome wolf, stock some salt, farm some land, look at some handsome men and grow old like that, but the handsome wolf pounces on her every day.
What? He wants her to have babies?
NO~ NO~ NO~ There is no happy ending to interspecies marriages, hurry and let go of me handsome wolf~

- Description from Novelupdates