a-nation, organized by Avex, is a large-scale music festival that has been held since 2002. With a lineup packed with popular artists, it continues to captivate many music fans every year. In 2018, the festival expanded in scale and was held over six days across four cities in Japan. The Osaka shows took place over two days at Yanmar Stadium Nagai (Nagai Athletics Stadium), which has also hosted the World Athletics Championships.

a-nation, organized by Avex, is a large-scale music festival that has been held since 2002. With a lineup packed with popular artists, it continues to captivate many music fans every year. In 2018, the festival expanded in scale and was held over six days across four cities in Japan. The Osaka shows took place over two days at Yanmar Stadium Nagai (Nagai Athletics Stadium), which has also hosted the World Athletics Championships.