Tomoko Konagai is a first-year in high school and a shy girl. Tomoko owns three cats. The cheerful and live Munchkin Maa, the smart and responsible Russian Blue Rou, and the gentle crybaby Singapura Shii. Tomoko, whose only friends were her cats, one day becomes friends with Azumi Shiratori, who also loves cats.
You can now watch Nyanko Days online on the following streaming providers in the United States.
| Art | Yoshio Harisaki | Art Direction |
| Visual Effects | Miwa Oshima | Character Designer |
| Camera | Ayako Honma | Director of Photography |
| Writing | Yoshimasa Hiraike | Series Composition |
| Sound | Nobuyuki Abe | Sound Director |
| Sound | Erii Yamazaki | Theme Song Performance |
| Production | Tadakazu Hiraga | Producer |
| Camera | Yuichi Takezawa | Director of Photography |
| Sound | Ibuki Kido | Theme Song Performance |
| Writing | Yoshimasa Hiraike | Teleplay |
| Production | Akiko Ooyama | Producer |
| Production | Hideaki Miyamoto | Producer |
| Writing | Tarabagani | Original Series Creator |
| Directing | Yoshimasa Hiraike | Series Director |
| Production | Noriko Ito | Producer |
