Here are two examples that I have found.
They currently have 309 and 292 comments respectively. Please be respectful of any discussion going on and do no comment that this forum post brought you there...
I didn’t realize there was a midlife crisis theme. What I remembered was the fox family was starving and the dad had to resort to stealing chickens. Then they teamed up with other animals to steal cider. I guess I’m not too good at noticing these things.
There's another manga with a similar premise where a monster takes care of a human.
https://mangadex.org/title/3ae1e096-ac77-4c27-902b-a2229a878430/igyou-atama-san-to-ningen-chan