On April 13, 2025, to celebrate the grand opening of Expo 2025 Osaka, Kansai, the Signature Pavilion Opening Event will be held.

At the beginning of Part 2, a mini-talk session will bring together government representatives from various countries and Expo stakeholders to discuss the theme “Co-Creation with the World” and explore the possibilities for building a shared future society.

Following this, NAKAJIMA Sachiko, producer of the Playground of Life: Jellyfish Pavilion will take the stage with KURAGE Band. With multinational artists, children, and special guests OCHIAI Yoichi and UMINO Mizuki, they will embody a world of co-creation through diverse forms of music and expression under the theme: "Democratization of Creativity: The Joy of Creation for All!"