BE:FIRST, the dance and vocal group now in its fifth anniversary year since debut, brings its first-ever stadium concert "BE:FIRST Stadium Live 2026 We are the 'BE:ST'" to a long-awaited package release. Held on Saturday, May 16 and Sunday, May 17, 2026 at Ajinomoto Stadium, the two days drew an audience of approximately 100,000. Tickets sold out just three minutes after general sales opened, and this concert, which came to symbolize the momentum of the group, took on special staging with a full orchestra and backup dancers. A setlist mixing old and new was presented with a magnificent soundscape and dynamic staging, from signature songs such as "Boom Boom Back," "Mainstream" and "Muchu" to the debut song "Gifted." and the latest songs "BE:FIRST ALL DAY" and "Rondo." The expressive power of each of the six members, their overwhelming dance, delicate vocal work and passionate rap performances come together in a concert that embodies a new phase for BE:FIRST. *This is a "Sumapura" compatible product, which enables you to listen to and view the contents on a mobile device. *This service expires two years after the release date. [Important Notes for "Sumapura" compatible product] No refund is possible after this product is sent. The record company has designed and optimized "Sumapura" for the market within Japan and registration at "Sumapura" site, available only in Japanese language, is required. They do not guarantee that it works outside of Japan.