Nekomata

Nekomata are a kind of cat yōkai told about in folklore as well as classical kaidan, essays, etc. There are two very different types, the beast that lives in the mountains, and the ones raised domestically that grow old and transform.

Overview
From this discernment and strange characteristics, nekomata have been considered devilish ones from time immemorial.

Due to fears and folk beliefs such as the dead resurrecting at a funeral, or that seven generations would be cursed as a result of killing a cat, it is thought that the legend of the nekomata was born.