Opened in the Aomi district of Koto City in October 2025. It is the home ground of Alvark Tokyo, a team that plays in Japan’s men’s professional basketball top league, the B.League Premier. From the 2026-27 season, fellow B.League team Tokyo Sunrockers also uses it as their home base. It is also one of the venues that has hosted home games for the Tokyo Great Bears, who compete in the volleyball league SV.League. The arena is equipped with the latest features characteristic of a next-generation venue, including a seating layout designed for easy viewing from any angle across a full 360 degrees, and video screens arranged in two tiers that wrap around the seating area in a continuous band. *The official website is available only in Japanese. When viewing the site, please use your browser’s translation function.