Main characters ; : :Played by:
Kento Yamazaki (live-action film) :A 15-year-old boy who transferred to Yomiyama North Middle's Class 3-3 from Tokyo in 1998, but was hospitalized due to
pneumothorax before the school year began. Kōichi stays with his grandparents and aunt Reiko, while his father conducts research in India. He befriends Mei Misaki despite warnings against doing so, and works with his classmates to uncover the truth behind the curse of Class 3-3. ; : :Played by:
Ai Hashimoto The phone connection typically becomes filled with static and drops just as Yōsuke might say something informative. ; :Kōichi's mother and Reiko's older sister, she died 15 years ago right after giving birth to him. She was a student in Yomiyama Middle School's Class 3-3 back in 1972, and was thus one of Misaki Yomiyama's classmates. It is later revealed that she died while Reiko was in Class 3-3; and was therefore a victim of the curse that year. Her maiden name was . ; During the events of Koichi's summer camp trip, Mei discovers and Koichi realizes that Reiko has been the Casualty, that is, the spirit who triggers the deaths of those in class 3-3 or their relatives. Her back story shows that she was Class 3-3's homeroom teacher two years ago, but that she had drowned.
Mei's relatives ; : :She is an artist and the owner of "Blue Eyes Empty to All, In the Twilight of Yomi", a
ball-jointed doll store and museum. Kōichi later confirms she is Mei Misaki's adoptive mother, but they have a somewhat distant relationship where they talk to each other like strangers. Mei reveals that her mother had a stillbirth 12 years ago, which made her obsessed with dolls; this hobby has led to her and Mei treating each other as strangers. Her real name is . ; : :First introduced as Mei's "other half" and later as her cousin, she was the person whom Mei was delivering a present to at the basement of Yūmigaoka Hospital, where Kōichi learns houses the memorial chapel. In reality, she is Mei's twin sister, raised separately after birth, though they occasionally met each other. Has a more cheerful personality than Mei. Misaki and Mei's biological mother is named Mitsuyo. Misaki died in the hospital from
leukemia in April. ; : :The receptionist at the doll shop and museum. Whenever she sees Kōichi, she offers him a student-discounted admission to their museum. Mei later reveals that she is her grand-aunt.
Yomiyama North Middle School Class 3-3 students ; :, Takashi Waka (live-action film) :He's one of the class delegates and a glasses-wearing honor student. He and Teshigawara are childhood friends. ; :, Maya Okano (live-action film) :The class 3-3 representative for the girls side. Her appearance is friendly. In May, when she learns that her mother died in a car accident, she ends up falling down the stairs and impaling her neck on the sharp end of her
umbrella. ; :, Kiyotaka Uji (live-action film) :A classmate who befriends Kōichi, whom he nicknames "Sakaki". His appearance is a little taller than other boys and cheery. A sports lover with a superficial personality, he was asked to explain the situation to Kōichi but has trouble going through with it. ; :, Kai Inowaki (live-action film) :A schoolmate and member of the Art Club. He along with Teshigawara help Kōichi unravel the 3-3 calamity. Kōichi thinks he has a crush on Ms. Mikami, the assistant homeroom teacher, as he often inquires as to her health and whereabouts. ; :, Ayana (live-action film) :One of the students of 9 Grade Class 3 in 1998. She is friends with Takako Sugiura and Izumi Akazawa in her duties as the head of countermeasures, acting as her right and left hands. She is a kind and shy person. The deaths of her brother Atsushi and Aya makes her lose her mind and sanity. In the anime, she tries to kill Mei, believing her to be an extra student, but she falls down from the second floor and breaks her neck. In the manga, she briefly appears talking with Mei; and in the novel, she always stays in the company of Izumi's group. She survives the curse in these adaptions. In the live-action film, she appears in some scenes and doesn't speak a lot, and later she survives the Inn incident. ; :, Mika Akizuki (live-action film) :A student in charge of countermeasures, she devises and upholds means to deal with the calamity of Class 3-3. She replaces her friend Yukari as the class representative on the girls side in June. She resents Mei and Kōichi for breaking the class rule of not interacting with the person who is "not there", feeling that their actions have undermined the countermeasures and have caused the deaths to continue. In the novel, during the summer trip, she is pursued by Mineko Numata, and dies from falling off a veranda and
breaking her neck. In the manga and anime, her hair is styled in
bunches. In the afterword of the manga series, Ayatsuji wrote that Akazawa was a supporting character in the novels, but that manga artist Kiyohara give her a bigger role, which worked well for the climax and the big twist in the adaptation. ; :, Mana Konno (live-action film) :A student of 9th Grade Class 3 in 1998. She is friends with Yumi Ogura and Izumi Akazawa as the countermeasures's personal right-arm. She is a young girl and cares deeply about her friends. She has a crush on Junta in the anime. She used to attend the same school with Mei's twin sister, which made her believe that Mei is the extra student. Junta's death makes her lose her mind; she tries to kill Mei, but gets stuck in the cables and dies. In the manga, she dies in the fire; and in the novel, she is killed by Mineko. In the live-action film, she survives these encounters, and is protected by Tomohiko. ; : :A classmate who is noted to occasionally miss school because of his weak heart condition. His appearance is thin and a bit smaller than other boys. He is usually seen sitting at the sidelines during
P.E. In June, he suffers a fatal heart attack. ; : :He appears to have a crush on Akazawa, which is what drives his decision to participate in the summer trip, during which he died, making him one of the seven "Deaths of August". His classmates were so heartbroken by his untimely death and could not accept it, that at school they pretended as if he was still alive, which led to a mysterious photo with the supposedly dead Misaki in it. ; :,
Hiroko Sato (live-action film) :A nurse at Yūmigaoka Hospital who befriends Koichi. A running gag is that she is
accident-prone. She has a younger brother named Takeru in Class 3-3. She tries to assist Kōichi in unraveling the mystery of Yomiyama North by giving him information she gleans from discussions with her colleagues and her brother. In June, she is killed when the elevator she was riding on breaks its cable and falls down the shaft; the impact causes the ceiling beam to fall on her. ; : :A former Yomiyama North Middle School student from Class 3-3 of 1983, and one of Reiko's classmates. During their summer trip, when he had killed a classmate, he discovers that the other people in the class suddenly have no knowledge of that classmate. He realizes he had killed the Casualty, making this the only known case of the phenomenon stopping halfway through the year. He recorded his theories and confession on an
audio cassette and hid it in the school for future students to find. After graduation, he moved to Tokyo to pursue his studies. He became a banker, but quit after a few years, returning to Yomiyama to help with the family business. He is a regular at Inoya Cafė, where Tomoka Inose works. ; : :Yūya's older half-sister. A waitress at Inoya Cafė, she attended Yomiyama North Middle School during 1983, though she was not part of Class 3-3. Although aware of the rumors about said class, she did not believe them until Yūya, fearing for his life, explained the situation to her. Katsumi Matsunaga is a regular at the cafe where she works. ; : :Ikuo Takabayashi's grandmother. A gentle warm-hearted grandmother, though she proved to be an insane crone murderer due to Ikuo's death. In the novel, she is responsible for the murder of Manabu Maejima, Izumi Akazawa, Takako Sugiura, Junta Nakao, Shigeki Yonemura, and her husband Kensaku during the summer trip. She then proceeded to commit suicide by biting off her tongue, making her along with her husband one of the seven "Deaths of August". In the anime, she is not directly responsible for Sugiura's or Akazawa's death, and she was killed with a frying pan by Izumi, saving Yūya Mochizuki and Naoya Teshigawara. ==Media==