Kayoko Onikata

Pink-haired, red-eyed Gehenna student with black horns and a halo. In this fanbook she wears a floral yukata or goes nude during a hot-spring honeymoon with Sensei, repeatedly initiating oral and vaginal sex.

White-haired Problem Solver 68 member with devil-like horns. Appears in a flashback gifting Sensei bottles of energy drinks packed with vitamins before the trip.