Kirlala (雲母, Unmo) is Sango's faithful pet demon-cat companion.
Kitty Form
True Form
Kirlala usually appears to be a small kitten-sized feline with two tails, but can become large enough to carry several passengers (usually Sango, Miroku, and Shippo). Her full-sized form has more prominent fangs, flames around her feet and tail, and enough power to fly through the air fast enough to keep up with InuYasha's top speed. She is slightly interested in InuYasha, as shown in an episode where she cuddles and purrs often when near him and helping him master wind scar.
At the end of the series after Naraku's defeat, she joins Kohaku as he trains to become a demon slayer while Sango starts her new life with Miroku and their children. The anime series suggests that she was once the companion of Midoriko, the Miko who created the Shikon Jewel.