2025-09-03 / Last updated : 2025-09-03 hideto.usuyama@gmail.com News Kobudo Demonstrations in EXPO 2025 On Sunday, September 28, 2025, at the Osaka-Kansai Expo 2025, demonstrations by affiliated schools of the Japan Kobudo Promotion Association, including Daito-ryu Aikijujutsu, will be held.