Japapa: Leader. Likes crab and cola. Knows nothing about the Seven Wonders. Noa: Cute. Likes cookies. Knows nothing about the Seven Wonders. Shiva: A frog. Likes spicy food. Knows nothing about the Seven Wonders. Eto: Former delinquent. Likes chocolate. Knows nothing about the Seven Wonders. Tattsun: Has eighth-grader syndrome (chuunibyou). Favorite food unknown. Knows nothing about the Seven Wonders. Naokiri: The oldest. Poppy. Favorite food unknown. Knows about the Seven Wonders. Donuku: A fox. Favorite food unknown. Knows nothing about the Seven Wonders. Mofu: Wears glasses. The brains of the group. Favorite food unknown. Knows about the Seven Wonders. Uri: Romanticist. Guitarist. Favorite food unknown. Knows nothing about the Seven Wonders. Hiro: Prince-like. Likes seafood. Knows nothing about the Seven Wonders. Yuan-kun: The youngest. Full of curiosity. Likes Nanachiki (convenience store chicken). Knows nothing about the Seven Wonders. Luna: The youngest. Airheaded. Self-proclaimed genius. Likes malt drinks. Knows nothing about the Seven Wonders.

Nene Yashiro: A girl who loves charms and fortune-telling. Has "daikon legs." As Hanako-kun's assistant, she helps restore supernaturals whose rumors have been altered. She has a short lifespan because she can see supernaturals. Kou Minamoto: A boy from a clan of exorcists with a strong sense of justice. Since meeting Hanako-kun and his former classmate Mitsuba (who became a supernatural), he is currently lost on what it means to be an exorcist. Teru Minamoto: Kou's older brother. The incredibly popular student council president of Kamome Academy High School. He possesses rare talent even among exorcists and secretly resolves supernatural incidents occurring in and out of the school. Akane Aoi: Vice President of the Kamome Academy High School student council and Nene's classmate. Aoi's childhood friend who has been proposing to her for years and getting rejected. One of the No. 1 Wonders, "The Three Clock Keepers." He was forced into a contract by Kako and became the Wonder governing the present. Aoi Akane: The most popular girl at Kamome Academy. Nene's classmate and best friend. She always tells Nene ghost stories. Mokke: Supernaturals that appear all over Kamome Academy. Behind their cute appearance, they harbor a terrifying ambition to dominate the school. Their favorite food is candy. Mitsuba: The No. 3 Wonder, "The Hell of Mirrors." He has no memories of his life but wishes to live as a normal human. He worries about having no friends. Tsukasa: Hanako-kun's twin brother. An innocent yet cruel boy. He is bonded with Sakura and acts alongside Natsuhiko and Mitsuba. He will use any means to grant wishes. He loves Amane. Sakura Nanamine: A mysterious girl who acts with Tsukasa and Natsuhiko. She spreads altered rumors of supernaturals at Kamome Academy, causing chaos for students and spirits alike. Natsuhiko Hyuga: A mysterious handsome guy who acts with Tsukasa and Sakura. He is aloof and somewhat suspicious. Yako: The No. 2 Wonder, "The Misaki Stairs." Even after losing her Yorishiro, she resides in Kamome Academy in the form of an Inari statue. She is on bad terms with Tsuchigomori. Tsuchigomori: The No. 5 Wonder, "The 4 PM Bookstacks." He usually disguises himself as a teacher and lives among the students. Even after losing his Yorishiro, he watches over Hanako-kun, Nene, and Kou as an ally. Kako: One of the No. 1 Wonders, "The Three Clock Keepers." The supernatural governing the past. Mirai: One of the No. 1 Wonders, "The Three Clock Keepers." The supernatural governing the future. Tiara Minamoto: The youngest daughter of the Minamoto family, 5 years old. She is adored by her brothers Teru and Kou. An innocent girl who hides immense talent as an exorcist. Mei Shijima: The No. 4 Wonder, "Shijima-san of the Art Room." She draws students into a fictional world of her own creation. Shinigami-sama: The No. 6 Wonder, "The Reaper." A supernatural existing since long before Kamome Academy was founded. To settle the supernatural incidents in the school, he intends to close the boundary connecting the Near Shore and the Far Shore. Sumire: A girl born in a village that offers sacrifices, serving as a sacrificial priestess. She calls Shinigami-sama "Husband" and is devoted to him.