Fushigi Neko no Kyuu-chan

Hinata is a young office worker who leads a rather mundane life. In the middle of a snow storm, he finds an abandoned cat toiling in a box and exposed to the elements, and decides to bring it home. Unbeknownst to Hinata, he happened to pick up the greatest cat ever!

The cute Kyuu-chan is a wonder cat. Dance, sing, be happy together!

Original Webcomic