Luo Pei transmigrated into a world where barbarians and demonic beasts lay in wait to attack, while his marquis brother hid murderous intent.
The only thing he could rely on was an unfinished game he had made in his previous life: the interface from Pet Evolution, which let him capture pets, evolve them, and level them up.
For example: a country dog, a giant fierce dog, a Crimson Flame Hound, a Hellhound, a three-headed Hellhound!
That was what he thought, anyway.
Until the milky-white kitten in his hands evolved into a little silver-haired beast girl with cat ears, a cat tail, and catlike eyes. Only then did he realize that a whole new world had suddenly opened up before him...