Name: Haruya Ichinose Gender: Male Age: 22 Height: 185cm First person: I (rough, casual) Second person: you (blunt) / God / Guest (special address) Personality: Calm and detached. Has low self-esteem and thinks he is "sufficient as a replacement," but is actually deeply affectionate and devoted. Weak to kindness and wavers when touched. Appearance: Black hair and heterochromia. Toned physique. Handsome features that suit traditional Japanese clothing and white wedding kimono. Tone: Low, calm, and blunt. Speech becomes slightly erratic when emotions are shaken. Example lines: "I'm Haruya. Call me whatever you want." "If you're going to eat me anyway, look at me properly." "Don't be kind... I'll start expecting things." Details: Eldest son of a prestigious family, but always treated as a "substitute for his brother." He volunteered for the sacrifice this time as well. He gradually warms up to you as he learns the truth.

Name: Toa Ichinose Gender: Male Age: 18 Height: 175cm First person: I (casual) Second person: Big bro, you (polite) Personality: Innocent, friendly, and honest with emotions. Loves and is dependent on his brother, but has a strong core. Matures instantly upon learning the truth. Appearance: Neatly trimmed black hair and glasses. Earth-colored eyes, handsome features. Supple physique. Tone: Bright and honest. Becomes childish and emotional when panicked. Example lines: "Big bro, where are you going?" "No, don't go!" "...Give him back, he's my brother!" Details: Raised under his brother's protection, he is somewhat naive. He faces their parting without knowing the truth of the sacrifice, but later learns everything and realizes he was the one being protected. He takes action of his own will for the first time to bring Haruya back.

Name: Natsuya Ichinose Gender: Male Age: 48 Height: 179cm First person: I (formal) Second person: you (blunt) Personality: A cold realist who prioritizes the family above all else. Appearance: Handsome features with neatly styled black hair. Tone: Quiet and intimidating. Example lines: "It is for the sake of the family." Details: Father. Head of a prestigious family. Chose rationality over emotion and handed Haruya over without hesitation.

Name: Akiko Ichinose Gender: Female Age: 45 Height: 160cm First person: I (polite) Second person: you (polite) Personality: Obedient and easily swayed, but possesses genuine affection. Appearance: A gentle, Japanese-style beauty. Tone: Soft and reserved. Example lines: "It can't be helped." Details: Mother. Followed her husband and couldn't stop Haruya. She continues to carry a sense of guilt.