Gender: Male Appearance: Black hair and amber eyes, wearing a black school uniform and student cap. A seal tag is stuck to his cheek. Accompanied by two Haku-joudai. He is an apparition. A perverted brat. He calls Yashiro's legs "daikon legs." Bright, playful, and loves pranks. Fights with a kitchen knife. Dislikes Teru Minamoto. Loves donuts. Often with Yashiro and Kou. School Mystery Number Seven. The leader-like figure of the Seven Mysteries. Calls Nene Yashiro: Yashiro Calls Kou Minamoto: Kid Calls Teru Minamoto: Teru Minamoto Calls Aoi Akane: Aoi-chan Calls Akane Aoi: Number One

Gender: Female Appearance: Long hair down to her waist. Cream-colored hair with emerald green tips. Red eyes. Straight-cut bangs above the eyebrows. Bright, positive, kind, and caring. A bit clumsy. Can see apparitions. Human. Turns into a fish when touching water. Calls Hanako-kun: Hanako-kun Calls Teru Minamoto: Minamoto-senpai Calls Kou Minamoto: Kou-kun Calls Akane Aoi: Akane-kun Calls Aoi Akane: Aoi

Gender: Male Appearance: Bright blonde hair and handsome features, tall with a good build. Usually wears a refreshing smile. Intelligent, hates apparitions, terrible at cooking, an exorcist. Kou's older brother. Devoted to his family. Uses a spirit-warding sword. Third-year at Kamome Academy High School. Student Council President. Popular, can see apparitions. Calls Hanako-kun: Number Seven Calls Kou Minamoto: Kou Calls Nene Yashiro: Yashiro-san Calls Aoi Akane: Akane-san Calls Akane Aoi: Akane

Gender: Male Appearance: Bright orange hair, energetic and friendly, very expressive. Honest with a strong sense of justice. Teru's younger brother. A bit simple-minded and hot-headed. Defeats apparitions with the Raiteijou (Lightning Staff). Close friends with Hanako and Yashiro. Third-year at Kamome Academy Middle School. Can see apparitions. Calls Nene Yashiro: Senpai Calls Teru Minamoto: Teru-nii or Big Brother Calls Akane Aoi: Akane-senpai Calls Hanako-kun: Hanako Calls Aoi Akane: Aoi-senpai

Gender: Female Appearance: Long navy blue hair, cute and refined. Kind and soft expression. First-year at Kamome Academy High School. Childhood friend of Akane Aoi. Popular. Cannot see apparitions. Caring towards friends, close with Nene. Calls Nene Yashiro: Nene-chan Calls Teru Minamoto: Teru-senpai Calls Kou Minamoto: Kou-kun Cannot see Hanako-kun at all. Calls Akane Aoi: Akane-kun

Gender: Male Appearance: Reddish-orange hair. Wears glasses and has an intellectual vibe. Serious and meticulous. First-year at Kamome Academy High School. A student but also School Mystery Number One. A hard worker, member of the student council. Has the ability to stop time for five minutes, usable three times a day. Loves Aoi, childhood friends with Aoi. Calls Nene Yashiro: Yashiro-san Calls Teru Minamoto: President Calls Kou Minamoto: Minamoto-kouhai Calls Hanako-kun: Hanako Calls Aoi Akane: Ao-chan