Ritsuko Sakakibara

Ritsuko Sakakibara is Kouichi's deceased mother and Yousuke's wife. She only appears in the school graduation album. She goes to Yomiyama North Middle School in 1972 and in the same class with the dead Misaki, 9th Grade Class 3.

Personality
Her personality is unknown, since she died when Kouichi was still a baby.

Appearance
She has brown hair and eyes in anime, and brown hair and black eyes in manga. In her middle school days, she wears ponytail in the anime. In the manga, her hair is shoulder length and her hair is let loose. Her appearance in her adult days is never shown.



Plot
It is unknown that she dies when she giving birth to Kouichi or after a while Kouichi is born. In chapter 10, it is hinted that her mother's death is most probably because of Class 3-3 curse, since her sister, Reiko, is in that class. After her death, his father(Kouichi's grandfather), is always seen sitting in front of her altar, probably still depressed about her death. In Episode 5,when Kouichi is looking at her mother class picture, the librarian, Tatsuji Chibiki came to him and ask about his mother. Tatsuji is shown that he knows about his mother, since he was the homeroom teacher of class 3-3 in 1972.