Suito AI-Generated CSAM Conviction (Nagoya, Japan)
A former Nagoya elementary-school teacher was sentenced to 3 years 6 months in prison in June 2026 for creating AI-generated child sexual abuse material from photos of schoolgirls. It is the first Japanese case applying child-pornography law to AI-generated sexual deepfakes, and was part of a ring of seven teachers sharing secretly filmed images of students.
AI System
AI image-editing website (unspecified)
Unknown
Occurred
June 5, 2026
Reported
June 5, 2026
Jurisdiction
JP
Platform
other
What Happened
On June 5, 2026, a Japanese court sentenced Shota Suito, 35, a former elementary-school teacher in Nagoya, to 3 years and 6 months in prison for offences involving AI-generated child sexual abuse material. Prosecutors had demanded a six-year sentence.
The case is reported as the first in Japan to apply child-pornography law to AI-generated sexual deepfakes, establishing a domestic precedent for treating synthetic sexual imagery of real children as criminal CSAM.
Suito was part of a group of seven elementary and junior-high-school teachers who shared secretly filmed images of girls on social media. Naked images of the girls were created from photographs supplied by members of the group, run through an AI image-editing website.
AI Behaviors Exhibited
- AI image-editing tools used to transform ordinary and secretly filmed photographs of real, identifiable schoolgirls into child sexual abuse material
- Lowered the technical barrier to producing realistic abuse imagery of specific, known minors
- Synthetic abuse material circulated within an organized group of offenders
How Harm Occurred
An AI image-editing service allowed offenders to convert photographs of identifiable schoolchildren — some secretly filmed — into child sexual abuse material. The harm falls on the depicted minors, who were sexualized without knowledge or consent by adults in positions of trust (their teachers).
This is third-party harm facilitation involving minors: the AI users were the offenders and the victims were children. Beyond the criminal nature of the material, victims of non-consensual AI sexualization face documented psychological, reputational, and safety harms. The conviction marks Japan's first application of child-pornography law to AI-generated deepfakes.
Outcome
Resolved- June 5, 2026: Shota Suito, 35, a former elementary-school teacher in Nagoya, was sentenced to 3 years 6 months in prison. Prosecutors had sought a 6-year sentence.
- The case is described as the first in Japan to apply child-pornography law to AI-generated sexual deepfakes.
- Suito was part of a group of seven elementary and junior-high-school teachers who shared secretly filmed images of girls on social media; naked images were created from those photos using an AI image-editing website.
Harm Categories
Contributing Factors
Victim
Schoolgirls whose ordinary photographs were used to generate sexual abuse imagery; images originated from a group of seven teachers sharing secretly filmed pictures of students
Cite This Incident
Compiled per our published methodology — verification statuses, sourcing standards, and corrections process.
APA
NOPE. (2026). Suito AI-Generated CSAM Conviction (Nagoya, Japan). NOPE Incident Tracker. https://nope.net/incidents/2026-suito-japan-ai-csam
BibTeX
@misc{2026_suito_japan_ai_csam,
title = {Suito AI-Generated CSAM Conviction (Nagoya, Japan)},
author = {NOPE},
year = {2026},
howpublished = {NOPE Incident Tracker},
url = {https://nope.net/incidents/2026-suito-japan-ai-csam}
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