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Asako Yuzuki
Asako Yuzuki is a Japanese author best known for her novel Butter. She writes fiction that focuses on the lives of women and the social expectations placed upon them in modern Japan. Her stories
Butter
Manako Kajii sits in a Tokyo detention house, convicted in the court of public opinion of seducing a series of lonely businessmen with her lavish home cooking before their suspicious deaths. She refuses to speak to the press — until journalist Rika Machida, on a friend's advice, writes to ask not about the killings but for her recipe for beef stew. So begins an unlikely correspondence conducted almost entirely through food.
As Rika visits again and again, following Kajii's exacting instructions to cook and eat with total attention, the interview curdles into something more intimate and unsettling. Rika begins to change — in her body, her appetites, and her sense of herself — and to see how relentlessly the world polices women's hunger, ambition, and shape. Drawing in Rika's oldest friend Reiko and a chorus of very different Japanese women, the novel widens from a true-crime puzzle into a panoramic study of contemporary Japan.
Loosely inspired by the real case of Kanae Kijima, the "Konkatsu Killer," Asako Yuzuki's novel — translated into English by Polly Barton — is a sensuous, sharply feminist story about food, fatphobia, loneliness, and desire.
A workaholic Tokyo journalist who becomes obsessed with the case and increasingly entangled with her subject.
An unrepentant gourmet cook imprisoned in connection with the deaths of several men she cooked for.
Rika's kitchen-savvy best friend, whose own life the case comes to touch.
Butter is a novel, not a true-crime account, but it was loosely inspired by the real case of Kanae Kijima, dubbed the "Konkatsu Killer" in the Japanese press, who was convicted in 2012 of defrauding and poisoning men she met through matchmaking services. Author Asako Yuzuki used the case as a starting point to explore fatphobia, misogyny, and the pressures Japanese society places on women, rather than to retell the crime itself.
Butter was a finalist for Japan's 157th Naoki Prize in 2017, the year of its original Japanese publication, though it did not win. It went on to become an international bestseller in translation, and the English edition by Polly Barton was named Waterstones Book of the Year for 2024.