Humans ; : (anime),
Aya Endō (drama CD) :A beautiful high school student who has the ability to sense and to interact with supernatural beings such as ghosts and spirits, passed down from her late mother. She is very polite and always treats both humans and ghosts alike with respect. ; : (anime),
Haruka Tomatsu (drama CD) :Hibiki's classmate who becomes friends with her, despite being generally terrified of the ghosts surrounding her. She is usually
not too honest with her feelings and is considered a "
granny's girl", often being haunted by the spirit of her late grandmother. ; : (anime),
Kana Hanazawa (drama CD) :Hibiki's classmate who is childhood friends with Kyōko. Her hobby is taking pictures of ghosts, which become visible when viewed through a cellphone camera, and uploading them to her top-ranked supernatural
blog. ; : (anime),
Eri Kitamura (drama CD) :Hibiki's classmate who is childhood friends with Kana. She has a rough personality, usually being the first to attack Kenta when he acts stupid, but is compassionate and helps those in trouble. She is a former delinquent, with the nickname , almost always getting angry when someone brings it up. ; : (anime),
Ayana Taketatsu (drama CD) :Hibiki's classmate. A bright and cheerful airhead who has an obsession with creepily made
zombie dolls, of which her friends are often fearful. ; : (anime),
Yusuke Shirai (drama CD) :Hibiki's classmate, and the sole male in her group of friends. Often considered a doofus among his friends, his overly cheerful attitude and sometimes dimwitted remarks often get him clobbered by Kyōko. ; : (anime),
Shin-ichiro Miki (drama CD) :Hibiki's father. Similar to Narumi, he doesn't like ghosts, and the relationship with his wife and her supernatural ability made his hair turn prematurely white over a short duration of time. ; : (anime),
Sumire Uesaka (drama CD) :Narumi's younger cousin, whose father died. ; : :Kenta's older brother who works as a
police officer. He has a crush on Kyōko, whom he had previously encountered during her delinquent days.
Ghosts ; : (anime),
Kenyu Horiuchi (drama CD) :The ghost of a
samurai who died of starvation. After Amami gave him food, he started to protect her and do anything for her in any way he can, such as answering to her teacher for roll call when Hibiki falls asleep in class. ; : (anime) :A spirit who
haunts one of the stalls in the school's girls' restroom. ; : (anime),
Norio Wakamoto (drama CD) :A cute but lecherous cat that constantly tries to take peeks at girls' panties, though is often thwarted by the ghosts protecting Hibiki. ; : (anime) :A ghost with long grey hair who haunts others, usually Kana, through phone calls. ; : (anime),
Aimi Terakawa (drama CD) : A
kogal ghost girl who initially possesses Hibiki in order to make peace with her mother, but chooses to stick around. She appears to have a rivalry with the Roll Call Samurai. ; / : (anime) : A ghost girl in a sailor uniform who carries a red umbrella, which she offers to those who need shelter from the rain. She has no neck in the manga and no face in the anime. ; : (anime),
Nobuo Tobita (drama CD) :A
jibakurei that protects the local park, bound to the sign at the entrance. His figure is never seen. ; : (anime),
Kyōko Hikami (drama CD) :Hibiki's late mother, who died when Hibiki was born. While alive, her sixth sense was said to be much stronger than her daughter's, and she occasionally made prophecies with her ability. She currently resides within Hibiki's memories, looking after a trellis of flowers giving Hibiki her sixth sense. ; :The spirit of Inoue's grandmother who is constantly watching over her. ==Media==