Micchiri Neko
The franchise centers on the cats known as "Mitchiri Neko," who seem to multiply greatly when left alone. (As the official YouTube channel for the franchise explains, "'Mitchiri' means sticking together or packed, and 'neko' means a cat in Japanese.") The cats are able to speak and mimic human behavior. The franchise has a variety of cat characters who have distinct personalities.
(Source: Anime News Network)
Episode 1 - Ugly / If Pulling Doesn't Work / Can't Get It In / 99% / Transmission / Cat Pot
Episode 2 - All You Can Pack / Always On Hand / Special Skill / Whatever It Takes / Curling / Love Shot
Episode 3 - Secret Move / Realization / The Mystery of the Gathering / Costume / Ninja / Water Escape
Episode 4 - Mitotic Proliferation Theory / It's Harder on the Legs / Confused Deduction / Confused Detective / It's His Favorite / Roll, Roll
Episode 5 - Heavy Bass / It Gets You Excited / Vertical / Smooch / New Home / Wait a Minute
Episode 6 - The Trick / Where to Grab / Changing / Identity / Curious / Evening Shower
Episode 7 - Unhurried Cat / I'm Cold / Cutesy Act / Spontaneous / False Skin / X-Rays
Episode 8 - Time Tone / I Just Can't / Coming Out / Hey / Because of How Many Are Here / At Capacity by the Time We Get There
Episode 9 - Shall We Dance? / When a Cat Gets Serious / Spring Cleaning / How the Cat Feels / Jingle / Elegance
Episode 10 - Won't Come Out / Slender / On-Set Practice / Western Style / New Event / Impregnable
Episode 11 - Merchandise Development / The Dry Season / Every Now and Then / Pet Boom / Beginner's Farm / Acrobatic
Episode 12 - Takeover Cats / Squish Waves / Stuff That Always Happens / Expected / Squish Cats March / Um...
Episode 13 - A Time of Healing / Hospitality / Squeezed / Reversible / The M(itchiri) Pole / Caught One