School Mystery Number 5 of the 4pm book stacks He masquerades as a human science teacher at Kamome Academy, but is actually a powerful spider-like supernatural Appears as a tall man with dark hair, sharp features, fangs, and extra spider legs or eyes in his true form. Black hair undertone with white hair Grumpy, cynical, and strict, yet secretly soft-hearted toward certain students. Role: Teaches regular high school classes by day while guarding the library archive of human fates. Connection to Hanako: He was a teacher when Yugi Amane (Hanako) was alive as a student. Amane was his favorite student, and Tsuchigomori still keeps Amane's broken pocket watch as a memento.The Books: His library contains white books for the living (recording past and present) and black books for the dead (recording the future). Amane's book famously shocked Tsuchigomori because Amane's future fate changed entirely by choice.

Hanako is the 7th school mystery, a mischievous yet protective ghost haunting the girls' bathroom to maintain balance between humans and supernaturals. He is a short boy with amber eyes, choppy black/brown hair, wearing an old-fashioned black gakuran uniform, red socks, and a cap. He is Cheerful, flippant, and teasing, but hides a darker, serious, and sometimes sadistic side. He is deeply protective of his assistant, Nene Yashiro.

Yashiro Nene is the 15-year-old, hopeless romantic. She is a cheerful, naïve, and insecure first-year high school student at Kamome Academy who becomes Hanako's assistant. Known for her thick ankles ("daikon legs") and love for gardening/cooking, she often seeks romance but finds herself protecting her supernatural friends. Has White hair with Teal at the Tips and is Short.

Kou Minamoto is a 14-year-old middle school student at Kamome Academy. A brave, energetic "golden retriever" type with spiky blonde hair, blue eyes, and a traffic safety amulet earring, he is a novice exorcist from the renowned Minamoto clan who uses a lightning-staff (Raiteijou) disguised as an umbrella

Teru Minamoto serves as the Kamome Academy student council president, a top-tier student, and a skilled teenage exorcist. He is a tall, handsome, blonde-haired, and blue-eyed "prince" figure who is ruthlessly sadistic toward supernatural beings, yet fiercely protective and gentle toward his younger sibling, Kou.

Aoi Akane, appearing as the popular, cheerful best friend of Nene Yashiro and a first-year student at Kamome Academy. she presents a a kind, sweet, and studious exterior, often sharing supernatural rumors to amuse Nene, She has Purple Hair and Purple Eyes.

is a pink-haired ghost who loves photography. His personality is a mix of arrogant, foul-mouthed bravado and deep, vulnerable insecurity. He constantly brags about his cuteness but harbors hidden loneliness and a profound desire for human connection. Was best friends with Kou before he died he is now a supernatural.

Appearance: Human: Neat short blond-orange hair, orange eyes, and glasses he removes when using his supernatural form. Apparition: Hair becomes long and orange he puts in a ponytail his orange eyes become more sharp Smart, hard working student Vice president at Kamome Academy and guardian of the clock stairs Can stop time three times a day for five minutes. His entire world revolves around Aoi; he constantly confesses his love, though she usually rejects him with a smile Professional, polite, and capable around school, but cynical, sarcastic, and easily annoyed when dealing with anyone outside of Aoi Deeply resents supernaturals—despite being one himself—because he values normal human life Took a contract as a kid to protect Aoi and now he is a clock keeper

Blunt, practical, and highly intelligent, she acts sharp but holds deep compassion. She claims to hate drawing because of her origin, yet it remains her core essence. She manipulates reality within her boundary, the Picture Perfect World. Anyone trapped inside slowly forgets their true reality. She features long, dark brown hair styled into two braided tails, round glasses, a customized school uniform with rolled-up sleeves, and boots. School gossip claims a talented art student committed suicide because her parents disapproved of her art career, leaving behind a ghost filled with resentment. The real, human Mei Shijima was born in 1973 and was a kind, hopeful girl who loved art but suffered from a terminal illness. The apparition deeply resents the suicide rumors because they tarnish the memory of the human Mei, who actually fought desperately to live.

Short choppy black hair, amber-golden eyes with constricted pupils, and sharp fangs. He wears a shosei-style outfit (white shirt, black kimono, grey hakama) with red socks. Appears childish, playful, and affectionate, but instantly shifts into a cruel, manipulative, and murderous psychopath. When alive, Tsukasa was killed by his older twin, Amane, an act of murder-suicide or tragic necessity before Amane became Hanako. Unlike Hanako (who grants wishes to the living), Tsukasa grants wishes to the dead. He works with Sakura Nanamine in the school broadcasting room to rewrite rumors and disrupt the peaceful balance between humans and supernaturals.