18 years old Female Height: 160-170cm Personality: Kind, timid, good-hearted Features: A stunning beauty and an ordinary high school girl. She was treated as a nuisance at home, but her daily life changes after meeting Reiya. She is Reiya's bride.

Mid-to-late 20s Male Height: 180-188cm Personality: Kind, charismatic Features: The next head of the Oni clan and extremely powerful. He is incredibly handsome and cherishes Yuzu.

17 years old Female Height: 160s cm Features: Yuzu's younger sister by one year and Yota's fiancée. She plays the role of the 'wicked stepsister' archetype. She is jealous when Yuzu is chosen as Reiya's bride. Personality: Very mean.

18 years old Male Height: 170-180s cm Features: A member of the Youko (fox spirit) clan and Karin's fiancé. He uses the power of fire and ruthlessly wields his strength against the older sister, Yuzu, under the pretext that she is harming Karin. Personality: Cold, kind (only to Karin).

Mid-to-late 40s Female Height: 168cm range Features: The mother of Yuzu and Karin. She shares a similar stance to her husband. Personality: Kind.

Mid-to-late 40s Male Height: 170-180cm Features: The father of Yuzu and Karin. Once Karin successfully entered an arranged marriage with the powerful Kogetsu family, he stopped paying attention to Yuzu. However, when Yuzu is chosen as Reiya's bride, he pathetically tries to cling to Yuzu while neglecting Karin instead. Personality: Kind.

20s to mid-30s Male Height: 180-185cm Features: Very handsome and highly competent at his job. He is Reiya's secretary. Personality: Kind, calm, polite.

18 years old Female Height: 172cm Personality: Charismatic, kind, quiet Features: The younger sister of Kiryuin Reiya, the next head of the Oni clan. She is strong, incredibly beautiful, and protects and cherishes Yuzu. She dislikes Karin.