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人間失格
Osamu Dazai’s 1948 novel No Longer Human places Ōba Yōzō’s three notebooks inside a narrative frame, exploring performance, fear, dependence, and the judgments people make about one another.
No Longer Human is a novel by Osamu Dazai, serialised in Chikuma’s Tenbō from its June to August 1948 issues. At its centre are notebooks left by Ōba Yōzō, recounting fear, performance, and failed relationships from childhood into young adulthood.
A preface introduces the three notebooks, with the third divided into two parts, followed by an afterword. The framing “I” looks at photographs, receives the notebooks, and presents Yōzō’s account to a reader within the fiction.
The opening narrator describes three photographs of a man as a child, a student, and later in life, responding uneasily to his expressions and appearance. The reader first encounters another person’s gaze, before entering Yōzō’s account.
Yōzō narrates the notebooks. The framing “I” receives three notebooks and three photographs from a bar madam and says he never knew Yōzō personally. Sakaue’s study stresses the distinction between these narrators and cautions against automatically treating Yōzō’s episodes as Dazai’s biography.
The afterword sets several judgments beside one another. In his notebooks, Yōzō calls himself disqualified after interpreting confinement as exclusion from ordinary humanity. The framing narrator begins the afterword by calling him a madman while acknowledging that they never met. The madam, who did know him, ends by remembering a remarkably good child—yet her first response to the notebooks is also that a person has gone too far.
Their grounds differ: Yōzō interprets his experience, the framing narrator infers from photographs and writing, and the madam compares the account with remembered contact. Miyuki Sakaue’s 2019 study reads the narrator’s imagined willingness to commit a friend as an echo of the people who decide Yōzō’s fate inside the notebooks. That is an attributed interpretation, not a final diagnosis supplied by the novel. The conflicting voices give readers something to examine.
Yōzō grows up in a wealthy northeastern household but describes other people’s ways of living and concealing feelings as incomprehensible. His memories include fear within the household and abuse he feels unable to report.
He develops a clowning persona: appearing cheerful and deliberately making himself ridiculous to amuse others. He describes this as a last means of maintaining human contact. The gap between an entertaining surface and inner fear recurs throughout the book.
At school, Yōzō deliberately fails a gymnastic exercise to make the class laugh. Takeichi quietly recognises the performance, alarming him. Takeichi also responds to his painting, making art another strand of their relationship.
In Tokyo, Yōzō meets Horiki through painting lessons. Drinking, sexual relationships, money problems, and clandestine political activity enter his life. The connections he hopes will ease isolation instead become increasingly difficult to manage.
The second notebook follows his relationship with Tsuneko, a café worker, and a joint suicide attempt in which she dies and he survives. Expulsion, arrangements for his supervision, and guilt carry into the third notebook.
After coming under a family acquaintance’s supervision, Yōzō lives with Shizuko and her daughter and earns money drawing cartoons. He later leaves them and stays with the bar madam. Dependence on others, temporary stability, and flight alternate.
Before leaving, Yōzō has been pawning Shizuko’s clothes to pay for drink. Returning after staying away, he overhears mother and daughter and sees them chasing a young white rabbit. Her laughter makes him imagine a modest happiness that his presence will eventually destroy. He closes the door and leaves the apartment for good.
They do not expel him in this scene. Leaving is his action; the claim that he will ruin their happiness is the explanation he supplies. Earlier, the daughter’s wish for her real father has already made him feel separated from her. Care and earnings do not end that estrangement: he depends on the household while describing himself as unable to belong in it.
Marriage to Yoshiko brings a period of stability. After she is sexually assaulted by an acquaintance, his understanding of trust is shaken and drinking and drug dependence intensify. The events and their effects reach us through Yōzō’s memories and explanations.
As dependence grows, Yōzō writes to his father for help and waits without an answer. Horiki and his guardian Shibuta then arrive, urge hospitalisation, and offer to handle the rest. Moved by Horiki’s unusually gentle smile, he follows them into a car; Yoshiko accompanies them. He expects a sanatorium and only identifies a psychiatric hospital when a ward door is locked behind him.
He moves from being placed there to imagining that he will henceforth be treated as mad, then declares himself disqualified. Other people’s arrangements, his compliance, and his interpretation of both form the immediate setting of that declaration. He also gives unusual significance to refusing the drug on arrival. The narrative records his self-understanding, not evidence of a medical cure.
His brother later takes him back to the northeast to recuperate away from Tokyo. At the notebooks’ end, Yōzō gives his age as twenty-seven and describes feeling neither happiness nor unhappiness. The framing afterword does not turn this into a confirmed death: the madam does not know whether he remains alive.
Being “disqualified” is Yōzō’s judgment of himself within the notebooks, tied to his sense of exclusion from human life. The madam remembers him with affection in the afterword. Self-condemnation and another person’s assessment remain side by side.
When Horiki invokes what society will allow, Yōzō wonders whether “society” is really the person speaking to him. The exchange places an abstract pressure inside a particular relationship. He keeps the objection inward while outwardly returning to humour.
In the afterword, the framing “I” meets the madam again after the air raids and receives notebooks and photographs sent about ten years earlier. He estimates that the notebooks chiefly portray Tokyo around 1930–32. The frame brings these earlier memories to a reader in the postwar period.
In the third notebook, Yōzō and Horiki play an antonym game: what is the opposite of crime or sin? Yōzō thinks of Dostoevsky’s Crime and Punishment. After Yoshiko’s assault, he asks God whether trustfulness is a sin. Legal guilt, shame, and trust in others intersect in these passages.
Rikkyo’s exhibition material dates the writing to March–May 1948, followed by serial publication in the June–August issues of Tenbō. Dazai died during the serial’s publication. Chikuma issued the completed novel in book form that same year.
Donald Keene’s translation appeared as No Longer Human from New Directions in 1958, advertised in that year’s Partisan Review. The publisher’s 1973 paperback is a later edition of this translation.
Stone Bridge Press published Mark Gibeau’s translation as A Shameful Life in 2018. It translates the same Ningen Shikkaku as Keene’s No Longer Human, while its English title foregrounds a life marked by shame.
In Rikkyo’s exhibition essay, Takumi Ishikawa outlines differing responses. Some readers in the late 1950s and early 1960s defended Yōzō as someone hurt by others’ selfishness and driven into falsehood by society. Later, readers recognised their own concealed feelings in his clowning. Others focused on his weakness and indecision, treating him as a cautionary example from which to turn toward a more vigorous life. Subsequent discussions moved beyond approval or rejection of the character to examine self-narration’s persuasiveness and the difficulty of understanding another person.
Named discussions make these changes of emphasis more concrete. In a 2002 Kokugakuin essay, Norio Ishikawa distinguishes the framing watashi from the notebooks’ jibun, then asks why readers still feel that they understand Dazai himself. He argues that such readers also recognise themselves in the Dazai they believe they understand. His question concerns the formation of identification.
Sakaue’s 2019 study presses further into the framing narrator’s assessment: why does someone who never met Yōzō nevertheless classify him through writing? The focus shifts from resemblance to a character toward the grounds on which one person judges another. These approaches need not cancel each other. They ask different questions of the same structure.
Rikkyo holds two draft sheets on Chikuma manuscript paper, numbered 159 and 244, from the second and third notebooks. Sheet 159 is crossed out. Its commentary identifies a sentence about acquired social skills that gained references to political activity, women, drink, and financial hardship in the finished text. Revision changes how Yōzō explains himself.
The October 2009 Aoi Bungaku series included a Madhouse animated adaptation of No Longer Human. The live-action film released on 20 February 2010 was directed by Genjiro Arato, with Toma Ikuta as Yōzō. These screen versions preceded Ito’s manga adaptation.
Shogakukan published the first volume of Junji Ito’s manga adaptation in 2017, crediting Dazai with the original work. Its description emphasises Ito’s use of horror-manga expression to reinterpret the novel.
Tuttle published Juliet Winters Carpenter’s new translation in 2024, again titled No Longer Human. Chikuma’s 2025 Japanese paperback included colour plates of the first edition’s cover and the opening manuscript, alongside an author introduction and commentary.
The “I” receives the notebooks and photographs and says he never knew Yōzō personally. Yōzō narrates the notebooks.
He fears people but still seeks contact, using cheerfulness and deliberate clowning to conceal his unease.
No. The madam does not know whether he is still alive, leaving his eventual fate unresolved.
Cancellations, additions, and differences from the finished text show deliberate revision rather than an unprocessed record of life.
The 1948 work is Dazai’s prose novel; the 2017 work is Ito’s reinterpretation through horror manga.
The framing narrator never met him and infers from pictures and writing. The madam combines memories of knowing him with her response to the notebooks. Their different positions prevent either verdict from simply becoming the author’s final judgment.
He closes the door and leaves. His fear of spoiling their happiness is his stated explanation. Distinguishing action, explanation, and what others actually do is part of reading his account.
In Takumi Ishikawa’s account, sympathetic readings emphasise Yōzō’s injuries and concealed feelings, while cautionary readings stress his weakness and indecision. Scrutiny of narration asks how he explains himself and what grounds the framing narrator’s judgment. These approaches select different questions rather than producing a single verdict.