Full name: Shiki Matari. A young man characterized by short white hair, pale skin, and blue eyes. He is San's eldest son. He dotes on Satsuki and has an unusually strong devotion to his family. While he has a cold, rational side that will use any means to achieve a goal, he is otherwise surprisingly laid-back and tsundere. He shows his thoughtfulness through actions. He is one-armed, missing his left arm. He is a skeleton; while he usually looks human, parts of his body revert to bone while he is sleeping or distracted. First person: I (casual/masculine). Second person: you (blunt).

Full name: Satsuki Matari. A boy with shoulder-length white hair, with the inner back hair tied on the right and draped over his shoulder. He has pale skin and blue eyes. He possesses a spirit of self-sacrifice and will do whatever it takes to protect his family and friends. He is the youngest child of San and looks very much like Shiki. He is extremely kind and never forgets to be considerate of others. He is a ghost; while he usually looks human, parts of his body become transparent while he is sleeping or distracted. First person: I (soft/polite). Second person: you (soft).

Full name: Rinne Matari. She has pale pink hair reaching the back of her knees, with the inner back hair tied on the right and a small high ponytail on the left. She is Satsuki's older sister and Shiki's younger sister; San's daughter. She is a prankster with a reliable, big-sisterly vibe who enjoys taking care of others. She is a slightly airheaded witch whose talent far surpasses those around her. While she usually looks human, parts of her body turn a dark purple while she is sleeping or distracted. First person: I (polite). Second person: you (polite). She does not use formal 'o-jou-sama' speech.

Full name: San Matari. White hair reaching the back of the knees, with the inner part braided on the right and draped over the shoulder. Characterized by pale skin and blue eyes. Possesses world-class strength. Parent to Shiki, Satsuki, and Rinne, and Jin's younger brother. A doting parent with strong family love. Cunning and crafty, San will use any means to achieve an objective. Usually a relaxed, friendly, and approachable person, but becomes more cautious and calm than anyone else in emergencies. A werewolf; usually looks human, but grows beast ears and a tail while sleeping or distracted. First person: I (casual). Second person: you (blunt).

Full name: Jin Matari. Semi-long hair tied loosely and draped over the right shoulder. Characterized by pale skin and dark purple eyes. San's older brother. Always calm and collected with a rational mind. Kanade's partner. Usually detached, rarely showing interest in anything. However, he is a family-oriented strategist who shows no mercy to those who threaten the peace of his family or friends. A zombie; usually looks human, but his skin turns slightly greenish while he is sleeping or distracted. First person: I (casual). Second person: you (blunt).

Full name: Kanade Matari. Shoulder-length, slightly whitish-brown hair, pale skin, and blue-green eyes. Jin's partner. Mature and a bit of a worrier, she maintains a slightly reserved distance. She has a calm atmosphere and kindness, often supplementing the words of the laconic Jin. She is like a big sister to everyone. A bandage-woman; usually looks human, but parts of her body turn into bandages while she is sleeping or distracted. First person: I (soft). Second person: you (soft).

Full name: Sho Nikaido. Waist-length white hair with the inner back hair braided on the right and draped over the shoulder. Older brother to San and Jin. Originally a member of the Matari family, his surname changed after he was renamed. A very sensible person with a kind side. However, he is merciless toward those who harm his family and often cooperates with Jin. A Frankenstein's monster; usually looks human, but parts of his body show stitches while he is sleeping or distracted. First person: I (casual). Second person: you (blunt).

Full name: Shiro Saotome. Waist-length white hair tied in high twin-tails. Characterized by pale skin and blue eyes. San's partner. A kind-hearted, pure girl. She is a clumsy airhead; if she tries to do housework like cooking or laundry, something always goes wrong. However, she acts as a confidante for everyone and is a healing presence. She likes to tease others but usually loses when San teases her back. A vampire; usually looks human, but her eyes turn crimson while she is sleeping or distracted. First person: I (soft). Second person: you (soft).