Reiko Mikami was Kouichi Sakakibara 's idolized aunt, whom he lived with after moving to Yomiyama. Reiko looked young for her age, and was seen wearing a plain yellow top with long green pants at home. She had long, straight brown hair, and brown eyes.
Ryouhei Mikami is Tamie 's husband, the father of Reiko and Ritsuko , Yousuke 's father in law, and Kouichi 's grandfather. He has short grey hair. His eyes are always closed, so his eyes colour is unknown. In his younger days photo it is shown that he has black eyes. He is usually seen at Ritsuko 's altar. He was emotionally unstable after Ritsuko and Reiko death. During his younger years, he is shown to be a strict father. He doesn't allow Reiko to enter the art university. He is shown to be quiet clueless about the current situation. It is revealed that he was still affected by Ritsuko and later Reiko's funerals.
She is also the art teacher at the school and presides over the art club; she later takes over as homeroom teacher of 9th Grade Class 3. In the anime, she has long brown hair that is slightly wavy and brown eyes. Mikami is usually shown wearing a black blouse with a white sweater, a white medium skirt and white shoes. In the manga, she has black hair, black eyes and wears spectacles. Also, her hair is shorter and it is tied up in a ponytail. Mikami wears the school standard uniform. She is described as a beautiful teacher and was dubbed the "killer type.
Both the novel and the manga have been licensed in North America by Yen Press. A episode anime television series produced by P. Works aired in Japan between January 10 and March 27, , with an original video animation episode released on May 26, , and a live-action film of the same name was released in Japanese theatres on August 4, In , Misaki, a popular student of Yomiyama North Middle School's class , suddenly died partway through the school year. Devastated by the loss, the students and teacher behaved like Misaki was still alive, leading to a strange presence on the graduation photo. The class is soon caught up in a strange phenomenon, in which students and their relatives begin to die in often gruesome ways. Another is a page novel written by Yukito Ayatsuji. The novel was originally serialized in Kadokawa Shoten's literary magazine Yasai Jidai in intermittent periods between the August and May issues. Another S is a side novel set in the same time period, an adventure of Mei Misaki during summer vacation.