Pokemon Ranch in a magic world

He woke up in a large house in the middle of nowhere, his only task was to take care of the creatures and everything that related to them that he once saw in the games of his past life, caring for the youngest and showing compassion for the broken ones that were handed over to him, he soon received a System mission:
[Sell ten pokemon and put ten Rescues up for adoption
Tesk Rewards - A random Mythical Pokemon]