Letters of request
- Letter of Request to Prime Minister Kishida Regarding the TPNW (December 13, 2022)
- Letter of Request to US President Trump to Visit the Atomic-Bombed Cities (January 28, 2025)
- Letter of Request to US President Biden to Visit the Atomic Bombed Cities
- Letter of Request to Prime Minister Kishida Regarding the TPNW2
- Letter of Request to IOC President Bach
- Letter of Request to US President Biden to Visit the Atomic Bombed Cities2
- Letters of Request to US and Russia Presidents (INF Treaty)
- Letters of Request to G20 Leaders and Foreign Ministers
- Letter of Request to Pope Francis to visit the atomic bombed cities