Japanese novel, manga and anime series
Another is a Japanese mystery horror novel by Yukito Ayatsuji, published on October 29, 2009 by Kadokawa Shoten. The story focuses on a boy named Kōichi Sakakibara who, upon transferring into Yomiyama Middle School and meeting the curious Mei Misaki, finds himself in a mystery revolving around students and people related to his class falling victim to gruesome, senseless deaths.
A manga adaptation by Hiro Kiyohara was serialized between May 2010 and January 2012 in the issues of Kadokawa Shoten's "Young Ace". Both the novel and the manga have been licensed in North America by Yen Press. A 12-episode anime television series produced by P.A. Works aired in Japan between January 10 and March 27, 2012, with an original video animation episode released on May 26, 2012, and a live-action film of the same name was released in Japanese theatres on August 4, 2012.
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Plot.
In 1972, Misaki, a popular student of Yomiyama North Middle School's class 3-3, suddenly died partway through the school year. Devastated by the loss, the students and teacher of class 3-3 continued to behave as though Misaki was still alive, leading to a strange presence shown within the graduation photo. In Spring 1998, Kōichi Sakakibara transfers into Yomiyama's class 3-3, where he meets Mei Misaki, a quiet student whom their classmates as well as the teacher seemingly ignore. The class is soon caught up in a strange phenomenon, in which students and their relatives begin to die in often peculiarly gruesome ways. Realizing that these deaths are related to the long deceased "Misaki of 1972", a yearly calamity that has struck most every class 3-3 since 1972, Kōichi and Mei seek to figure out how to stop it before it kills anymore of their classmates or them.
Voiced by: 
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.[ch. 1]
Voiced by: 
Played by: Ai Hashimoto (live-action film)
An unusual girl who wears a white eyepatch over her left eye,[ch. 1] Kōichi first meets her on the elevator of Yūmigaoka Hospital, as she is going to deliver a doll to her "poor other half" in the second basement (it comes out in bits that her other half is deceased, her cousin, and later is revealed to be her twin sister in episode 10).[ch. 1] At school, she is completely ignored by her classmates. When Kōichi goes out of his way to try to interact with her, she warns him not to, but relents and gradually opens up to him about her situation after Kōichi is also ignored by the class.[ch. 8] She reveals to Kōichi that her left eye is a doll's eye, and that she has a special ability,[ch. 3] noting later in the story that she is able to see the "color of death", that is, identify people who are dead and those close to death.[ch. 17]
Voiced by: Takurō Kitagawa (Japanese); Christopher Ayres (English)
Kōichi's widowed father and Reiko's brother-in-law, is a college professor who is doing research in India. He regularly calls his son to chat, but does not give much detail about their family background, opting instead to complain about the heat. 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.[ch. 1] 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 .
Voiced by: 
Played by: Ai Kato (live-action film)
Kōichi's aunt and Ritsuko's younger sister. She has been hanging out with Koichi at the grandparents home while Koichi's dad has been away. At the beginning of the story, she gives him advice about Yomiyama Middle School through a series of "rules".[ch. 1] She usually returns home exhausted after work.[ch. 4,6] She was in class 3-3 15 years ago when Koichi's mother died.[ch. 6] It is later revealed that she is also , the Class 3-3's assistant homeroom teacher, and that the fourth rule she gave Koichi was to separate their home life from their school life; thus, Kōichi addresses her as Reiko at home and Ms. Mikami at school. 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,[ch. 10] but that she had drowned.[ch. 19]
Voiced by: Hitomi Harada (Japanese); Tiffany Grant (English) 
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.[ch. 3] Kōichi later confirms she is Mei Misaki's adoptive mother,[ch. 8] but they have a somewhat distant relationship where they talk to each other like strangers.[ch. 9] 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.[ch. 17] Her real name is .[ch. 17]
Voiced by: Hiromi Igarashi
First introduced as Mei's "other half"[ch. 1] and later as her cousin,[ch. 3] she was the person whom Mei was delivering a present to at the basement of Yūmigaoka Hospital,[ch. 1] where Kōichi learns houses the memorial chapel.[ch. 2] 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.[ch. 17] Misaki died in the hospital from leukemia in April.
Voiced by: Sayuri Sadaoka (Japanese); Vicki Barosh (English)
The receptionist at the doll shop and museum.[ch. 3] Whenever she sees Kōichi, she offers him a student-discounted admission to their museum.[ch. 3,5] Mei later reveals that she is her grand-aunt.[ch. 8]
Voiced by: Mitsuhiro Ichiki, Takashi Waka (live-action film)
He's one of the class delegates and a glasses-wearing honor student.[ch. 1] He and Teshigawara are childhood friends.[ch. 1]
Voiced by: , Maya Okano (live-action film)
The class 3-3 representative for the girls side.[ch. 1,5] 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.[ch. 4]
Voiced by: , Kiyotaka Uji (live-action film)
A classmate who befriends Kōichi, whom he nicknames "Sakaki".[ch. 1] 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.[vol. 1]
Voiced by: Clint Bickham, Kai Inowaki (live-action film)
A schoolmate and member of the Art Club.[ch. 3] 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.[ch. 3]
Voiced by: Tiffany Grant, 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.
Voiced by: , 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.[ch. 3,6,7] She replaces her friend Yukari as the class representative on the girls side in June.[ch. 7] 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.[ch. 6,11] 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.[vol. Omnibus:afterword]
Voiced by: , 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.
Voiced by: Shou Takano
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.[ch. 7]
Voiced by: Kengo Kasai (Japanese); Houston Hayes (English)
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".
Voiced by: Keisuke Koumoto
A member of the kendo club. He died during the summer trip when he was stabbed by Takabayashi's grandmother from the back, he's one of the seven "Deaths of August".
He is a ranked A student in class. He died during the summer trip, one of the seven "Deaths of August".
Voiced by: Kōzō Mito
Class 3-3 homeroom teacher.[ch. 1] In July, after realizing that the countermeasures to the Class 3-3 calamity are not working, he kills his bedridden mother by smothering her with a pillow the night before stabbing himself in the neck in front of the class.[ch. 11,12]
Voiced by: David Wald, Yoshihiko Hakamaka (live-action film)
Reiko describes him as the "ruler" of the secondary library. He typically dresses in all black.[ch. 3] He was the teacher for Class 3-3 in 1972, the year Misaki Yomiyama died. Some years later, he resigned as a teacher but stayed on as librarian, claiming that he was "running away [from the curse]" but, staying nearby out of guilt. Since then, he's kept a record of the phenomena, the deceased and their connections; and shares his findings with Kōichi and Mei.[ch. 10]
The honor student from Yomiyama Middle School's Class 3-3 in 1972. He was extremely popular and well-liked by his peers and teachers. He died in a house fire that also claimed the lives of both his brother and his family. 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.[ch. 1,15]
Voiced by: Seiko Yoshida, Hiroko Sato (live-action film)
A nurse at Yūmigaoka Hospital who befriends Koichi. A running gag is that she is accident-prone.[ch. 1,2,5] She has a younger brother named Takeru in Class 3-3.[ch. 4] 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.[ch. 3,5] 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.[ch. 6,7]
Voiced by: Shinya Takahashi (Japanese); Illich Guardiola (English)
A former Yomiyama North Middle