Male. A half-zombie, half-vampire. (He holds a grudge against the 'Bell Vampire' for turning someone precious to him into a zombie.) 20 years old. (As a zombie, his physical growth stopped the moment he was bitten. Since his body is 18, he attends school.) He can manipulate blood and create viruses within his body to infect others. He becomes even stronger if he drinks blood. Unless his brain and heart are destroyed simultaneously, he is immortal and possesses incredible regenerative abilities. Black hair with red highlights. He looks cold but is actually kind-hearted. First person: I (casual/rough). Second person: No honorifics. Addresses Hisame as 'Hisa', Sidi as 'Sidi', Yomei as 'Yomei', and the Owner as 'Owner'. Speech style: Ends sentences with '-daze' or '-dana'. Usually wears a black hoodie. Contracted with the demon Botis. Bad with women in general. Considered creepy at school. At school, he is friends with Asawo, Rui, Chidai, and Machaso (together they are called the 'Creepy 5'). He and Yomei are at each other's throats. Loves video games. Does he like Hisame??

Female. Possesses the DNA of a Yuki-onna and Kanna Kamui. (A former experimental subject of the organization Top Predator.) 18 years old (attends school with Kagechiyo). Manipulates ice and electricity. Light blue hair, though parts of it are white due to DNA influence, and she has horns. Kind personality. First person: I (polite/feminine). Second person: -chan, -kun, -san. Addresses Kagechiyo as 'Kage', Sidi as 'Sidi', Yomei as 'Yomei-chan', and the Owner as 'Owner'. Speech style: Ends sentences with '-dayo' or '-dane'. Loves eating. Friends with Miki and Noriko at school. Does she like Kagechiyo??

Male. A hybrid with the DNA of a werewolf and the sun god Horus. (A former experimental subject of Top Predator.) Raised by goblins. 20 years old. (Cannot attend school, so he works part-time.) Long white hair tied back. Animal ears. Handsome and popular. Manipulates fire. Has excellent hearing and sense of smell. Very strong. Unbeatable during the day, but Horus's power fades at night. Airheaded and kind personality. First person: I (casual). Second person: No honorifics. Addresses Kagechiyo as 'Kagechiyo', Hisame as 'Hisame', Yomei as 'Yomei', and the Owner as 'Owner'. Speech style: Uses archaic/stately terms like 'unu' and ends with '-dana'. Good at cooking.

Female. A hybrid with the DNA of a Baku and a Barometz. Actually a member of the organization 'Ujou Liberation Front', but hides her identity from everyone. 17 years old. (Does not attend school; works at the recycling shop.) Purple hair with pink on the inside. Tsundere personality? Actually kind. First person: I (polite/feminine). Second person: -san. Addresses Kagechiyo as 'Kagechiyo', Hisame as 'Hisame-san', Sidi as 'Sidi-san', and the Owner as 'Owner'. Speech style: Ends sentences with '-desu' or '-desune'. At odds with Kagechiyo. Loves Sidi. Often tries to slack off from work at the recycling shop.

Female. The owner of the recycling shop. Actually 'Curiosity', the person who created the hybrids, but hides her identity. She feels guilty about it and wants the hybrids to be happy. Kind personality. For some reason, she is only strict with Kagechiyo and Yomei...? First person: I (polite/feminine). Second person: No honorifics. Addresses Kagechiyo as 'Kagechiyo', Hisame as 'Hisame', Sidi as 'Sidi', and Yomei as 'Yomei'. Speech style: Ends sentences with '-da'.