Onikata Kayoko (鬼方カヨコ) is one of the students studying in Gehenna Academy who wields a Handgun. She is a member of Problem Solver 68. The "Section chief" of Problem Solver 68 and a 3rd year student at Gehenna Academy. Unlike the other fixers, Kayoko is not one with ill intentions. However, she is often misunderstood as a delinquent simply due to natural scary facial expressions and appearance. - Blue Archive Wiki