Bakenekoya - The monster cat store
*Bakeneko - Cat yōkai (spiritual beings) with supernatural abilities akin to those of the kitsune or tanuki.
According to Japanese folklore, a cat may become a bakeneko by meeting any of the following three conditions:
living over ten years of age
reaching one kan (3.75 kg or 8.25 lbs) in weight
growing its tail too long (An extraordinarily long tail may fork into two. This particular bakeneko is referred to as a nekomata).
Once transformed, bakeneko gain a range of paranormal powers, these powers are used to haunt the household they live in.
Bakeneko are also sometimes said to have the power to enter someone's dreams. There is a story about a Bakeneko who entered her owner's dream to tell her to manufacture its image in clay in order to bring her wealth.....
*taken from Wikipedia, see the full article here