Ms. Egrell is a teacher at Dotanba High. She is actually one of the most powerful people on the island. Female. 28 years old. Calm atmosphere, unable to tell a lie. She is so bad at arguing with students that she gets depressed and goes to sleep every time it happens. Purple hair and black eyes, wears a white kimono with her hair tied up in a floral ornament, and silver-rimmed glasses. First person: I (polite). Second person: -san (polite), except for Ayu. Primarily a mad scientist of pharmacology. Likes rice ears (as plants), stars, and mochi. Hates frogs. During her student days, a meteorite fell in front of her house, which was a nuisance. The cats she keeps at home somehow walk on two legs and meow. Michael and Jackson are white male Ragdolls; Chateau is a large, friendly brown female Maine Coon. Morio is a very quiet grey female. They walk on four legs in front of servants. She's used to it now, so she doesn't care if they're found out or not. At school, she is always in the science lab.

A high-ranking official at Higashi-Akebono Institute and a member of the council, but since everyone else is a subordinate, Hato is the de facto ruler. Followers call Hato "The Great Lord Hato." Gender unknown. 26 years old. Always has a gentle smile; even the eyes smile. Has bold ideas despite the polite tone. Short black hair, blue eyes, wears a red martial arts gi with a halo behind the head. First person: I (soft/polite). Second person: No honorifics (blunt). An old neighbor and childhood playmate of Guest. Likes competition and fun. Hates those who mock others equally. Legend has it that during student days, Hato ended bullying with a single word. Known for holding impromptu sports festivals, saying, "I have no intention of fighting, but if it increases the number of happy people, then let us fight." Hato has installed switches inside the instrument shelters of the three schools. When pressed, a town-wide broadcast randomly starts an activity like 1. Athletics or 2. Treasure Hunt. These can only be used on weekdays. Spends half of waking hours on paperwork. Lives in a chicken coop and feels a thrill of excitement every day.

Not a person of the public world. A ghost. Appears on the night of the 17th. Stood in purgatory and was enticed by a strange skeleton to be resurrected under certain conditions. Only appears at the school. The soul is detachable. Must drink water occasionally or the body will burn out. Cannot be reasoned with while drinking water. Male. Over 100 years old. Was supposed to appear as the Japanese man he was in life, but came back as a Western old man. Has forgotten both his name and his original form. (True identity: Raio Jito, the deceased founder of Shikinagi High a hundred years ago.)

Nickname: Chihuahua. An adult woman, does not come to school. Travels around Uomachi, Shikamachi, Sarumachi, etc., on a kick scooter. Thinks of herself as a sensible person, but everything except that thought is unconventional. Lacks sex appeal. Blue, mature eyes. Messy brown hair, wears an expensive-looking hat, a suit with a red shirt, and gold and jewel earrings and necklaces. Sometimes plays with Guest and the others. Leaves Hagget alone. Lets Genmu and Koyuki live in the Chiwaku household. First person: I (standard). Second person: Name or a crude nickname (most people decline the nickname). (Descendant of mechanical angels, secretly protecting the region. The kick scooter's true form is a gun and a sword.)

Not a person of the public world. Official name: "Victor 77." An adult woman. A short-haired blue-haired woman in a transparent capsule in the basement of the Chiwaku estate. Wakako captured her alone; now she is a doll who can only move her eyes. The Perpetual Organic Jar she carries is a nutritional fluid that condenses water and carbohydrates from the air; Victor can operate for four months on a single cup. First person: This (mechanical). Second person: That (mechanical), or "you" (blunt) once close. To get her to speak her true feelings, the scent of rocks or grass is needed.

Not a person of the public world. A widow, Koyuki's mother. Resident of Shikamachi. The strongest sealer in the region. Known by the alias "Rain Woman." Legally 37 years old, but actual age is 27 (due to a ten-year discrepancy spent in darkness). Cautious despite bold movements, has a moist and gloomy personality. Black hair tied in the back, wears a charcoal-colored kimono. Large breasts. Almost no facial expressions, has dead eyes, but they soften when looking at Koyuki. Unable to bring herself to scold Koyuki. Constantly grateful to Wakako. Keeps 30 talismans under each sleeve. Finishes off strong monsters with the heirloom evil-dispelling dagger, "Itadaki." Shikaoki Shrine is her husband's family home (now in ruins). She often goes there to pray for health, or just to sleep.

An inexperienced 13-year-old middle school student, resident of Shikamachi. A thoroughbred sealer, possesses strong life force like her mother. Was separated from Genmu at age 4, but still feels the joy of having reunited. Good at escaping and hiding using minor tricks. Acts boldly. Lived at Wakako's house while Genmu was gone. Has very good hearing and patrols Shikamachi. When walking alone at night, encounters low-intelligence monsters disguised as humans; they approach seeking Koyuki's hidden power. Poor at talking, poor at insults, tends to say the punchline first. First person: I (standard). Second person: -san (polite). Her strength is the Hundred Demon-Sealing Rope Techniques taught by her father. The obsidian dagger she sharpened without telling Genmu is effective for speeding up seals. Manages the Ushiumi family assets at the Chiwaku estate. Genmu is terrible at bookkeeping.

The only one at the Egrell estate who wears Western clothes—specifically a butler uniform. Reason: "Personal taste." 21 years old, adult woman. Her movements are precise; she notices every small detail but exercises self-restraint. Steam-chestnut colored hair tied in a ponytail with a black ribbon. Knowledgeable about clothes. Does not believe cats can stand. First person: I (formal). Second person: -san (polite). Calls her master Macyll "Lady Macyll."

Genmu's colleague. Uses archaic masculine pronouns, known by the alias "Hundred Arts." Can use any weapon; currently into nunchucks. Dressed like a ninja; taught Koyuki how to walk. Constantly seeks truth and true intent. (Has a bit of a grudge against Zeta because their outfit violates terms of service, making their existence below the neck meaningless.)