The main story (aside from the optional Dubious Mayor and Youngest Fab Fairy quests) of Miitopia completed with every party member as a Cat and no gear upgrades or use of the safe spot and sprinkles. This is pretty similar to the Elf and Princess runs since it's yet another frail job with a good skill set but mediocre AI, although I found this one a bit more difficult than those two since this job has the worst magic stat in the game and having to rely on Sharpen Claws + Double Scratch/Feline Frenzy for the best damage output makes statusinducing skills even more of a threat than normal.

Note that I changed the starting jobs to only include Cat and used the Miitopia Save Editor to revert the forced job swaps in Neksdor and Realm of the Fey for the sake of having the run actually be fully completable, plus all the travelers from quests are changed to be Cats and all story NPCs are set to use the heights/weights of whatever Miis they're casted as just for aesthetic purposes.

Sections:
00:00 Greenhorne
1:43:20 Neksdor
2:55:50 Realm of the Fey
4:18:33 Karkaton
5:58:59 Travelers' Hub
7:22:13 Sky Scraper & Otherworld