Key Points
43-year-old arrested for posting dish soap prank video at Hama Sushi in Saitama on May 27.
Man admitted he wanted to increase social media views and engagement from the video.
Police charged him with obstructing business operations after restaurant reported incident on June 1.
Comedian called for permanent social media bans to prevent future prank videos.
Police in Saitama arrested a 43-year-old unemployed man on June 7 for posting a video of himself pouring dish soap on sushi at a Hama Sushi restaurant. The man admitted he wanted to increase social media views. The case highlights a pattern of prank videos that disrupt businesses and has prompted public figures to call for tougher online regulations.
How the Crime Unfolded
On May 27, the man ordered sushi at a Hama Sushi location in Saitama and poured a liquid resembling dish soap onto the tray. He filmed the act and posted the video to social media. The restaurant company reported the incident to police on June 1 after receiving complaints. Security camera footage helped officers identify the suspect.
Charges and Suspect’s Admission
Saitama police charged the man with obstructing business operations. He admitted to pouring liquid on tuna sushi specifically to boost social media engagement. The video forced the restaurant to respond to complaints and disrupted normal operations. Hama Sushi stated it does not tolerate such behavior and cooperated fully with the investigation.
Calls for Stricter Social Media Rules
Comedian Shoshun Shoji appeared on a TBS news program on June 7 and urged stricter regulations on prank videos. He suggested that users who post such content should face permanent account bans. Shoji said without stronger enforcement, these incidents will continue to multiply.
Final Thoughts
The arrest marks another case of a prank video disrupting a restaurant chain. Regulators and public figures now face pressure to implement stricter penalties for social media users who post harmful content.
FAQs
He poured dish soap onto ordered sushi, filmed it, and posted the video to social media to gain views and engagement.
Obstructing business operations. The video forced the restaurant to address complaints and disrupted normal service operations.
Police used security camera footage from the restaurant combined with the video he posted online to identify the suspect.
Disclaimer:
The content shared by Meyka AI PTY LTD is solely for research and informational purposes. Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.
About Author

Huzaifa Zahoor
Co FounderHuzaifa Zahoor is the engineer who built Meyka. He has spent years writing Python, training AI models, and building data pipelines specifically for financial markets. His technical articles have reached over 30,000 readers on Medium, so he knows how to make complex things easy to follow. If this article touches on how the tools work, he is the person who actually built them.
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