Doushitemo Eto ni Hairitai
Japanese title: どうしても干支にはいりたい
Type: TV
Episodes: 13
Premiered: fall 2015
Source: Web manga
Genres: Comedy
Studios: Pollyanna Graphics
Producers: Studio Mausu
Duration: 6 min per ep
Rating: G - All Ages

Rat, a member of the Zodiac, meets a normal cat at a park one day. Rat comes to love Cat so much that it becomes very eager to get Cat to become a member of the Zodiac. Cat goes with Rat to meet the rest of the 12 members of the Zodiac to ask them to become a member.

(Source: ANN)