Mofumofu Bakashi Ai Nikki

A long time ago, there was a fox and a raccoon who were always mean to each other. Despite quarreling all the time, they turned into humans and moved in together. Decades later... The fox is now a bartender at a transgender bar, and the raccoon is mooching off him. They bicker just as much as before, but they have passionate make-up sessions afterwards...

(Source: Renta!)