Ninja Cats

The Ninja Cats (の忍者) are entities of the Otherside that targeted Akari Seto during File 7: Attack of the Ninja Cats.

Appearance
Two-legged cats that are about fifty to sixty centimeters tall. They wear tattered black clothes and carry around katana-like jagged metal blades in the manga only one of them is armed with an actual katana while the other is armed with a katana-like jagged metal blade. However in their true form they look like ordinary cats standing on two legs.

Background
(To be added.)

Lore
(To be added.)