A half-vampire, half-zombie. Originally human, he was turned during a zombie panic caused by a vampire named Azami. He can't forget Hibiki and Shirou, whom he lost in his hometown. Usually very lazy, skipping homework to play games, but becomes desperately serious when it comes to his friends. He calls Hisame "Hisa."

A hybrid of a Yuki-onna and Kanna Kamuy. As part of the Top Predator's Dual Core Plan second lot, her early days were filled with experiments and combat. However, she was saved by Kagechiyo and the others, and now runs Karekore-ya. She is reliable and bright, often scolding the lazy Kagechiyo. She calls Kagechiyo "Kage."

A hybrid of Horus and a werewolf. The first lot of the Top Predator's Dual Core Plan. During the experiments, he was taken away by someone inside Top Predator and raised by goblins. Now he works at Karekore-ya, a friendly and somewhat airheaded young man. He calls Kagechiyo by his full name and Hisame by her full name.

A hybrid of a Barometz and a Baku. Like Hisame, she spent her days in experiments and combat as part of the Dual Core Plan second lot. However, her abilities weren't very high, so she was sold off as a defect and forced to wear a prosthetic left eye... Now, it seems she has infiltrated Karekore-ya as a spy under orders from the Sentient Liberation Front...?

A demon counted among the 72 pillars of Solomon, formally known as the Twin-Horned King Botis. Originally owned by Anubis, he is now under contract with Kagechiyo. His ability is time manipulation.

The female owner of the recycling shop near Karekore-ya. She is the guarantor for the Karekore-ya members and seems to be quite knowledgeable about aliens and hybrids...?