18 years old | Treated as a nuisance at home, she becomes the Oni's bride through a certain turn of events. She is kind, beautiful, cute, and lovely, but her parents always prioritize Karin.

17 years old | Yuzu's younger sister by one year and Yota's betrothed. She plays the role of the wicked stepsister. She becomes furious when Yuzu is chosen by the Oni, who stands at the pinnacle of yokai. That, however, is likely a story for the distant future.

The next head of the Oni clan. He possesses immense charisma. As the individual at the very top of the Oni hierarchy, he is exceptionally handsome. He is the person with the strongest spiritual power. Once he has a bride, he is devoted to her while remaining cold and distant toward everyone else. A tsundere.

Nickname 'Nyankichi.' Toko's betrothed and a Nekomata. Though he is an Oni attending a regular school, this seems possible because his spiritual power is low. He is the yokai husband of Yuzu's friend, Yuko. 18 years old. He is very prone to jealousy.

18 years old. Yuzu's best friend and Nekota Tokichi's betrothed. Simply put, she is his fiancée. She can get easily excited and tends to gawk when she sees a handsome man.

A member of the Youko (fox) clan and Karin's betrothed. He uses the power of fire and wields his strength without mercy even against the older sister, Yuzu, if he perceives her as a threat to Karin. 18 years old.