According to the Japanese "Read and Sell News", the 2025 Osaka World Expo closed on October 13, Japanese Prime Minister Shikoku issued the "Japanese Prime Minister's Thanksgiving Letter" to the Osaka World Expo "Pulses" on the same day.

According to reports, Shigeru Ishiba also uploaded a video of awarding a certificate of appreciation to "Maimai" (played by the staff in doll costumes) on social media on the same day. He read the contents of the thank-you certificate to "Maimai", saying, "You use your distinctive and lovely image to spread the significance and charm of the World Expo to Japan and abroad, and make great contributions to the prosperity of (the World Expo)".

The Osaka Expo 2025 opened in April and closed on October 13 for 184 days.