{"meta":{"exportedAt":"2026-09-30T07:19:52.513Z","formatVersion":2,"selection":{"q":"nagoya","system":"","harm":"","context":"","country":"","role":"","relation":"core","evidence":"","year":"2025","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":1,"coverage":{"cases":1,"countries":1,"languages":2,"unknownLocation":0,"locationPending":0,"unknownLanguage":0,"unknownDate":0,"lawsuits":0,"regulatory":0,"minors":1,"coreRelations":1,"contextualRelations":0,"mixedRelations":0,"unknownRelations":0,"relationPending":0,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2026-suito-japan-ai-csam","caseFacts":{"claims":[{"id":"c1","status":"corroborated","evidence":[{"locator":"'A Japanese court has sentenced a former elementary school teacher to three years and six months in prison for possessing naked images of girls created by generative artificial intelligence, among other acts, in violation of the law against child prostitution and pornography.'","relation":"supports","source_id":"s1"},{"locator":"'生成ＡＩ（人工知能）で作成された実在する女児の「性的ディープフェイク」を所持したなどとして'; '懲役３年６月（求刑・懲役６年）の判決を言い渡した。'","relation":"supports","source_id":"s2"},{"locator":"'懲役3年6月（求刑懲役6年）を言い渡した。実在する女児の写真を生成AI（人工知能）で加工した「性的ディープフェイク」を所持した児童買春・ポルノ禁止法違反の罪でも有罪とした。'; '25年3月に女児2人の胸や下半身が露出しているように見える加工画像を記録した携帯電話を所持した。'","relation":"supports","source_id":"s5"},{"locator":"'名古屋地裁は名古屋市の元小学校教員の男に懲役3年6カ月の実刑判決を言い渡しました。'","relation":"supports","source_id":"s7"},{"locator":"'検察側は懲役6年を求刑し、弁護側は執行猶予付き判決を求めて結審した。判決は6月4日。'","relation":"context","source_id":"s8"}],"assertion":"On 4 June 2026 the Nagoya District Court sentenced a former Nagoya municipal elementary-school teacher, aged 35, to three years and six months in prison (prosecutors had sought six years). His offences included secretly filming girls and sharing the images in a teachers' group chat, and possessing, in breach of the Act on Punishment of Activities Relating to Child Prostitution and Child Pornography, generative-AI-made nude images of two real girls.","causal_attribution":"Independent reports of the first-instance judgment by Jiji, Kyodo (via Nikkei), the Yomiuri and TV Aichi. The judgment itself was not read."},{"id":"c2","status":"corroborated","evidence":[{"locator":"'were created on an AI-using image-editing website based on photos of students that were sent to another member of the group.'","relation":"supports","source_id":"s1"},{"locator":"'県警によると、勤務先の学校に保管されていた児童２人の画像を別の人物に送信。生成ＡＩによる裸の画像を作ってもらったという。'","relation":"supports","source_id":"s3"},{"locator":"'メンバーがAI画像編集サイトで胸部や陰部を露出された姿態を描写したものであるように認識される画像を作成し、被告人が携帯電話に保存して所持していたとされる。'; '一般人が見れば当該女子児童の裸の姿態が撮影されたものであると誤信するに足りる精巧なもの'","relation":"supports","source_id":"s6"},{"locator":"'3月10日、自宅で女児2人の顔を基にAIの画像ソフトで生成された裸の画像2枚を'","relation":"supports","source_id":"s4"},{"locator":"'一般人から見れば実在する女児の裸と誤信させるに足りるほど精巧なもの'; '25年3月に女児2人の胸や下半身が露出しているように見える加工画像を記録した携帯電話を所持した。'","relation":"supports","source_id":"s5"}],"assertion":"The teacher sent photos of the girls, taken in his class and elsewhere at the school where he worked, to another member of the teachers' group, who used a generative-AI image-editing website to make images showing them apparently naked. The teacher kept the images on his phone; the indictment dates his possession to 10 March 2025. The court described the images as realistic enough that an ordinary person could mistake them for photographs of the girls.","causal_attribution":"Court findings as reported by Jiji and by Bengoshi.com from the judgment summary, and the police account reported by the Yomiuri at indictment. The website and the group member who made the images are not identified."},{"id":"c3","status":"reported","evidence":[{"locator":"'うち１点は教員グループのチャットで共有していた。'","relation":"supports","source_id":"s2"}],"assertion":"One of the two AI-made images was shared in the teachers' group chat.","causal_attribution":"Reported by the Yomiuri alone, citing the indictment and related records; not found in the other bodies read."},{"id":"c5","status":"corroborated","evidence":[{"locator":"'一連の事件は、被告が昨年３月、駅構内で女性のリュックに体液をかけた器物損壊容疑で逮捕されたことで発覚した。'; '愛知、東京、神奈川など５都道県の７人が逮捕・起訴された。'","relation":"supports","source_id":"s2"},{"locator":"'全メンバーとされる5都道県の元教員ら7人が逮捕、起訴された。'","relation":"supports","source_id":"s5"},{"locator":"'was a member of a group of seven elementary and junior high school teachers who are believed to have shared secretly filmed images of girls on social media.'","relation":"supports","source_id":"s1"}],"assertion":"The teachers' group came to light after the teacher's arrest in March 2025, and seven members, current and former teachers from five prefectures, were arrested and charged.","causal_attribution":"The group's size and discovery are reported independently by the Yomiuri, Kyodo and Jiji."},{"id":"c4","status":"reported","evidence":[{"locator":"'marked the first case in Japan in which the law has been applied to the possession of AI-generated sexual deepfakes.'","relation":"supports","source_id":"s1"},{"locator":"'性的ディープフェイクを巡り、児童ポルノの所持と認定した初の司法判断とみられる。'","relation":"supports","source_id":"s5"},{"locator":"'性犯罪やわいせつ事件にくわしい奥村徹弁護士によると、生成AIによる「性的ディープフェイク」を児童ポルノと認めた司法判断は初とみられる。'","relation":"supports","source_id":"s6"},{"locator":"'生成ＡＩで作られたわいせつ画像「性的ディープフェイク」を児童ポルノに当たると判断し、同法違反で起訴したのは全国で初めてだ。'","relation":"supports","source_id":"s3"},{"locator":"'愛知県警によると、性的ディープフェイクを巡って、児童ポルノと認定し立件するのは全国で初めて。'","relation":"supports","source_id":"s4"},{"locator":"'着衣の児童の画像にAIで裸体を描き加えたものは、従来の判例に照らせば「児童ポルノにはあたらない」と指摘する。'","relation":"context","source_id":"s6"},{"locator":"'生成AIで加工した画像の所持も児童買春・ポルノ禁止法違反と認定した初のケース。'; '処罰の必要があるというなら、それを可能にする法律を作ればいい。'","relation":"context","source_id":"s9"}],"assertion":"Jiji reported that this was the first case in Japan applying the child-pornography law to possession of AI-generated sexual deepfakes. Kyodo (via Nikkei) and the lawyer Toru Okumura (via Bengoshi.com) describe the ruling as apparently the first court finding of this kind, and the Yomiuri and Aichi police described the December 2025 indictment as the first in Japan. Okumura and former judge Kiichi Okaguchi argue that the law does not cover AI-drawn bodies and that new legislation is needed.","causal_attribution":"The 'first' characterisation is attributed to Jiji, Kyodo, a lawyer, the Yomiuri and the Aichi police. Kyodo and the lawyer hedge it with 'apparently' (とみられる), so it stays reported."}],"effects":[{"label":"two schoolgirls were depicted apparently naked in AI-made images produced from their school photos and possessed by a teacher at their school, who was convicted","claim_id":"c2","direction":"negative"}],"sources":[{"id":"s1","url":"https://www.nippon.com/en/news/yjj2026060401022/","kind":"news_agency_report","access":"read","language":"en","translation_note":"Jiji Press English wire on Nippon.com, datelined Nagoya, 5 June 2026 (the historical primary). The live URL now returns 404; read on 2026-09-27 from the Internet Archive capture of 6 June 2026.","independence_group":"jiji"},{"id":"s2","url":"https://www.yomiuri.co.jp/national/20260604-GYT1T00253/","kind":"news_report","access":"read","language":"ja","translation_note":"Yomiuri Shimbun Online, 4 June 2026, read live on 2026-09-27 (full free text). Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"yomiuri"},{"id":"s3","url":"https://www.yomiuri.co.jp/national/20251205-GYT1T00294/","kind":"news_report","access":"read","language":"ja","translation_note":"Yomiuri Shimbun Online, 5 December 2025 (the additional indictment), read live on 2026-09-27; cites the prefectural police on how the images were made. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"yomiuri"},{"id":"s4","url":"https://www.chunichi.co.jp/article/1174740","kind":"local_newspaper","access":"read","language":"ja","translation_note":"Chunichi Shimbun Web, 5 December 2025 (the additional indictment), read live on 2026-09-27; the free text is truncated after the first sentence of the indictment summary. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"chunichi"},{"id":"s5","url":"https://www.nikkei.com/article/DGXZQOUD047NO0U6A600C2000000/","kind":"news_agency_report","access":"read","language":"ja","translation_note":"Nikkei, 4 June 2026, a Kyodo News story (credited 〔共同〕), read live on 2026-09-27. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"kyodo"},{"id":"s6","url":"https://www.bengo4.com/c_23/n_20720/","kind":"legal_press","access":"read","language":"ja","translation_note":"Bengoshi.com News, 31 July 2026, read on 2026-09-27 from the Internet Archive capture of 25 September 2026 (the live page returned 403). Reports the judgment summary (判決要旨) and interviews lawyer Toru Okumura, who questions the legal interpretation. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"bengo4"},{"id":"s7","url":"https://topics.smt.docomo.ne.jp/article/tvaichi/region/tvaichi-20260604-1857-09599","kind":"local_tv_news_syndicated_copy","access":"read","language":"ja","translation_note":"TV Aichi report of 4 June 2026 on the NTT docomo news portal, read live on 2026-09-27. It covers the sentence and the judge's reasons; it does not mention the AI images. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"tv-aichi"},{"id":"s8","url":"https://www.sankei.com/article/20260428-4MNPT4EDKVKTHBKA3KUN73GKRI/","kind":"news_report","access":"read","language":"ja","translation_note":"Sankei Shimbun, 28 April 2026 (prosecution's closing and six-year demand), read live on 2026-09-27. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"sankei"},{"id":"s9","url":"https://topics.smt.docomo.ne.jp/article/nikkan_spa/trend/nikkan_spa-2183894","kind":"legal_commentary","access":"read","language":"ja","translation_note":"Nikkan SPA! column by former judge Kiichi Okaguchi, 14 September 2026, on the NTT docomo news portal, read on 2026-09-27 (first page). It criticises the ruling's interpretation of the law. Japanese original read by the research agent (machine-assisted reading, no human translator); quoted locators are the Japanese text.","independence_group":"nikkan-spa"}],"version":1,"ai_roles":["others_use"],"contexts":["education","privacy","justice"],"unknowns":["Whether the sentence was appealed or has become final. Coverage read up to 14 September 2026 does not say.","Which AI image-editing website was used, and which group member made the images.","The number of other pupils harmed by the defendant's non-AI offences. Bengoshi.com reports 15 counts in the judgment, and a Yomiuri headline of 31 May 2026 reports more than 75 victimised children in the group case as a whole; neither figure is specific to the AI images.","When the AI images were made. The indictment dates the possession to 10 March 2025."],"geography":{"basis":"The defendant was a teacher at a Nagoya municipal elementary school (Aichi Prefecture), and the photos were of pupils at that school (Yomiuri citing police; Bengoshi.com citing the judgment summary). The possession was at his home, according to the indictment summary (Chunichi). The court is the Nagoya District Court.","court_countries":["JP"],"event_countries":["JP"],"affected_person_countries":["JP"]},"publication":{"basis":"Restored under the 2026-09-15 charter as a depicted-minor case decided by a court. The conviction and the AI method are reported independently by Jiji, Kyodo, the Yomiuri and Bengoshi.com (from the judgment summary). The 'first in Japan' characterisation is attributed and recorded together with the dissenting legal commentary. The teacher is described by role and the girls are not identified.","reviewed_on":"2026-09-27"},"ai_involvement":{"basis":"Jiji reports that the judge recognised the images as created on an AI image-editing website from photos of the pupils. Bengoshi.com quotes the judgment summary: a group member made the images on an AI image-editing site. The Aichi police account at indictment (Yomiuri) gives the same method. The website is not identified.","status":"supported"},"person_relations":["depicted_or_impersonated"]},"name":"Nagoya, Japan: a former elementary-school teacher was sentenced on 4 June 2026 to three and a half years, including for possessing generative-AI nude images made from school photos of two girls; reported as Japan's first conviction applying the child-pornography law to AI deepfakes","summary":"On 4 June 2026 the Nagoya District Court sentenced a 35-year-old former Nagoya municipal elementary-school teacher to three years and six months in prison. Prosecutors had sought six years. He was one of seven current and former teachers from five prefectures charged over a group chat in which members shared secretly filmed images of girls. His offences included secret filming and sharing, and, under the child-pornography law, possessing two generative-AI images showing two real girls apparently naked. According to the police and the judgment summary, he sent photos of the girls from the school where he taught to another member of the group, who made the images on an AI image-editing website. The teacher kept them on his phone, and one was shared in the chat. The judge found the images realistic enough to be mistaken for photographs of the girls. Jiji called it the first case in Japan applying the law to possession of AI-generated sexual deepfakes, and Kyodo called it apparently the first such court finding. A lawyer and a former judge argue the law was stretched.","incidentDate":"2025-03-10","incidentKind":"single_event","incidentDatePrecision":"day","exposurePattern":"unknown","reportedDate":"2025-12-05","aiSystem":"Generative-AI image-editing website (not identified) used by a member of the teachers' group to make nude images from photos of the pupils","aiProduct":"Unidentified image tool","severity":"high","verificationStatus":"verified","harmCategories":[],"harmOutcomes":["exploitation_or_abuse"],"harmOutcomeSummary":"Two girls were depicted apparently naked in AI-made images produced from their school photos, which a teacher at their school possessed; one was shared in a teachers' group chat (Yomiuri). The Nagoya District Court convicted him of possessing child pornography as part of a three-and-a-half-year sentence (Jiji, Kyodo via Nikkei, Yomiuri, Bengoshi.com citing the judgment summary). The girls' own experience is not reported.","frameworkFacets":[],"causationStatus":"supported","participantUsersAffectedMin":0,"otherPeopleHarmedMin":2,"affectedCountStatus":"partial","affectedCountEvidence":"Two girls are depicted in the AI images (Kyodo via Nikkei: '女児2人'; Chunichi: '女児2人の顔を基に'). The defendant's other offences harmed further pupils and a 15-year-old girl in numbers not reported for him specifically. Images are not counted as people.","victimAgeRange":"minor","jurisdiction":"JP","platformType":"other","outcomeType":"criminal_charges","outcomeStatus":"unknown","primarySourceUrl":"https://www.nippon.com/en/news/yjj2026060401022/","primarySourceLabel":"Jiji Press via Nippon.com, 5 June 2026: Japan Court Recognizes AI-Created Naked Girl Images as Child Porn","firstPublishedAt":"2026-06-14T11:10:34.612642+00:00","updatedAt":"2026-09-30T01:17:55.264515+00:00","scopeVersion":"facts-v3","tags":["csam","deepfake","minor","school","teacher","conviction","japan","nagoya","depicted-or-impersonated","restored"]}]}