Yasai Kuuka is an Esper that was imprisoned and forced to fight in the "Esper Underground Arena".
Kuuka is a curvaceous woman with medium length hair wearing a cat-like dress with a hat.
Gravikinesis: Kuuka, by the Glowing Fish, has been given the ability to control gravity. She usually uses her powers to make herself fly and to throw objects to her target at great speed.
Bamboo Spear: Kuuka makes some sharp bamboo poles float and then throws them to the target at great speed.