NATSUO KIRINO (桐野夏生), born in 1951 in Kanazawa (Ishikawa Prefecture) was an active and spirited child brought up between her two brothers, one being six years older and the other five years younger than her. Kirino's father, being an architect, took the family to many cities, and Kirino spent her youth in Sendai, Sapporo, and finally settled in Tokyo when she was fourteen, which is where she has been residing since. Kirino showed glimpses of her talent as a writer in her early stages—she was a child with great deal of curiosity, and also a child who could completely immerse herself in her own unique world of imagination.
After completing her law degree, Kirino worked in various fields before becoming a fictional writer; including scheduling and organizing films to be shown in a movie theater, and working as an editor and writer for a magazine publication. She got married to her present husband when she turned twenty-four, and began writing professionally, after giving birth to her daughter, at age thirty. However, it was not until Kirino was forty-one that she made her major debut. Since then, she has written thirteen full-length novels and three volumes of collective short stories, which are highly acclaimed for her intriguingly intelligent plot development and character portrayal, and her unique perspective of Japanese society after the collapse of the economic bubble.
Today, Kirino continues to enthusiastically write in a range of interesting genres. Her smash hit novel OUT (Kodansha, 1997) became the first work to be translated into English and other languages. OUT was also nominated for the 2004 MWA Edgar Allan Poe Award in the Best Novel Category, which made Kirino the first Japanese writer to be nominated for this major literary award. Her other works are now under way to be translated and published around the world.
The title of Kirino's first collection of short stories translates to "Rusty heart", neatly encapsulating the six stories about its characters defined by their hidden, often repressed desires. Only coming out a few months after her breakthrough novel Out, it can be considered a snapshot of Kirino's early writing. But as such, Sabiru kokoro also shows her as a writer with a solidly established worldview and style. While she remains better known for her usually rather long novels, the tight focus, clarity and relative simplicity of these stories makes them as compelling to read as her long-form fiction. And while better known for her string of hardboiled novels during the early 90s, Sabiru kokoro also serves as a remarkable example of how noir was simply one of the frameworks under which Kirino would operate, and she would expand her scope considerably after Out. This collection is, in a way, a foreshadowing of that development.
The stories in Sabiru kokoro differ in their themes and tone, but they are tied together through the larger theme of what's lurking beneath an everyday, ordinary existance of her protagonists. The oldest published, "Gekka no rakuen" ("Moonlight paradise"), offers an interesting twist on the mystery genre; as would become typical of Kirino, the central intrigue is that of who the characters and their motivations are, rather than focusing on a specific event or crime at the heart of the story. "Jason" and "Neon" are most likely Kirino's first forays into dark comedy, a rare but always welcome turn in her writing (the 2002 novel Dark is another great example).
The title story "Sabiru kokoro" is perhaps the clearest indication of how Kirino's development as an author. It depicts a middle-aged housewife abandoning her family, after having plotted her escape for a decade, figuratively shacked to her household. She has to learn how to live on her own, eventually finding refuge in a peculiar, wealthy household as a caretaker. She would take up the premise of a housewife on a run again later, in her 2013 novel Dakara kōya, if arguably in a less effective manner than in this early short story.