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AII-1001-36887
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Japanese University Student Arrested for Selling AI-Generated Obscene Posters

A 19-year-old Japanese university student was referred for prosecution for selling approximately 300 AI-generated obscene image posters on an internet auction site, earning about 280,000 yen between August and October 2024. The student used the proceeds to fund online gambling, wagering around 600,000 yen on overseas casino sites with a net loss of approximately 200,000 yen, and admitted to generating the sales to recover gambling losses.

29 September 2025 Β· Keishicho (Metropolitan Police) Β· Harmful and abusive content
29 September 2025
AII-1001-36887
Quick facts
Category
Harmful and abusive content
Country
Japan
Date
29 September 2025
Drafted by
Raidu Incident Detection

What happened

A 19-year-old male university student from Fujisawa, Kanagawa was sent for prosecution by the Metropolitan Police on September 29, 2025, on suspicion of distributing obscene images and gambling.

Between August and October 2024, the student sold approximately 300 posters featuring AI-generated obscene images on an internet auction site under product names such as 'AI Beauty,' priced at 300 to 2,000 yen per item, earning approximately 280,000 yen.

The student obtained the AI-created obscene images from overseas websites in October 2024 and converted them into posters for sale.

The student used the proceeds to place bets on overseas casino sites between February 2024 and July 2025, wagering approximately 600,000 yen with a net loss of approximately 200,000 yen, and admitted to selling the posters to recover gambling losses.

Reported impact

The student's actions involved the distribution of AI-generated obscene material and participation in illegal online gambling.

Classification

Category
Harmful and abusive content
Industry
Media, social platforms and marketing
Country
Japan
Harm status
Actual harm
Intent
Intentional
Timing
Unknown
Harm types
Other
Harmed
General public
Failure modes
Deepfake image
Consequences
Police investigation
AI systems
Image manipulation AI

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

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