Overview

• Osaka Prefectural Police arrested Nakamoto Naomasa, 26, a Higashi-Osaka municipal elementary school teacher, on suspicion of manufacturing child pornography under the Child Prostitution and Child Pornography Prevention Act.
• Investigators say he used a smartphone to record three boys naked in a classroom as they changed for swimming lessons in late June to early July 2024.
• The suspect has admitted the allegation, telling police he exploited his position as a teacher to secretly film students.
• An August search of his residence seized multiple devices containing videos of numerous boys, and authorities are working to identify further victims.
• Police say his suspected role emerged during a separate investigation into a different boy-filming case that led to a 38-year-old man's arrest, and the Higashi-Osaka City Board of Education pledged strict action and recurrence prevention.