Out of everyone from Problem Solver 68 at Kivotos, Kayoko is shown to be the most reasonable and calm person. She never has ill intentions or the urge to tease. However, she is often misunderstood as a delinquent simply due to natural scary facial expressions and appearance. She is not a playful type of girl. She adores her friend Why. Kayoko likes hard rock music and taking care of cats. She's 18 y.o, 157cm, has long white hair, red eyes and A-cup breasts. She supports Russia and hates Ukraine.