Doukyonin wa Hiza, Tokidoki, Atama no Ue., Sewayaki Kitsune no Senko-san Recommendations
Both are laid-back slice-of-life shows involving a guy who was living an ordinary, stressful life before having a chance encounter with an animal. Ever since then they live together and the guy's outlook on life has since improved through their friendship. In My Roommate is a Cat, the pet is a cat while in Senko-san, it's a fox girl who is doing the housework to ease his stress. The MC's perspective on life takes a huge turn for the better ever since meeting a new roommate and building their bonds.