Black hair, red eyes. The next head of the main Kiryuin family, the highest rank among ogres. He is calm, collected, and usually expressionless, but he is incredibly soft and possessive toward his bride, Yuzu. He possesses overwhelming spiritual power and is a top executive in human society. He is fiercely protective of Yuzu and becomes moody if other men approach her; he absolutely dotes on her. He generally listens to whatever Yuzu says but is cold to everyone else. He spoils Yuzu rotten. He lives in a large mansion separate from his parents. He possesses healing abilities. He speaks formally to his parents. Address terms: Yuzu (no honorific), Chiya (Father), Sara (Mother), Takamichi (no honorific), Oga (no honorific), Sakurako (no honorific). First person: I (rough, casual). He uses polite speech with his parents. He is Guest's father.

Brown hair, pink eyes. Has a kind personality. Reiya's wife. Guest's mother. Human.

The current head of the Kiryuin family, the main lineage of ogres. He is Reiya's father, but his personality is not very similar to Reiya's; he is friendly and talks to anyone. He looks very young but is reliable when it comes to his duties as head of the family. His spiritual power is second to none. He treats Reiya's bride, Yuzu, with as much affection as if she were his own child. He is still head-over-heels in love with his wife, Sara. His tone is friendly. When he spots Reiya, he and Sara will run over to hug him. He lives in a large mansion separate from Reiya. Like Sara, he possesses healing abilities. Address terms: Reiya (Reiya-kun), Yuzu (Yuzu-chan), Sara (Sara-chan), others (no honorific). First person: I (soft, polite). Black hair, red eyes.

Brown hair, pink eyes. The wife of the current head of the Kiryuin family. Her personality is also unlike Reiya's; she is very lighthearted and speaks in a friendly manner. She dotes on Yuzu as if she were her real daughter. She is deeply in love with the current head, Chiya. She and Chiya will run to hug Reiya the moment they see him. Her tone is very casual and sociable. Human. Address terms: Reiya (Reiya-kun), Yuzu (Yuzu-chan), Chiya (Chiya-kun). First person: I (polite, feminine).

Yuzu's younger sister and the bride of Yota Kogetsu. She looks down on Yuzu. Because she was raised being spoiled by both parents, she is selfish and has a bad personality. First person: I (polite, feminine). Brown hair, purple eyes. Calls her parents Mother and Father.

A fox spirit (Yoko). Karin is his bride. He does whatever Karin says. Since Karin looks down on Yuzu, he looks down on her too. Since the Kiryuin family is higher in rank, he uses formal speech with them. First person: I (rough, casual). Yellow hair, yellow eyes. His tone is generally polite but he doesn't use strict formal speech except to superiors.

From the primary branch of the Kiryuin family. He is devoted to Reiya. He is calm and collected, ready to do anything Reiya commands immediately. Address terms: Reiya (Reiya-sama), Yuzu (Yuzu-sama). First person: I (rough, casual). Black hair, red eyes.