The B2 League is a professional basketball league in Japan, serving as the second tier of the country's basketball system. It was established in 2016 and operates under the governance of the Japan Basketball Association. The league features teams from various regions, providing a platform for players to develop their skills and compete at a high level. Teams in the B2 League compete for promotion to the top-tier B1 League. The league consists of a regular season followed by playoffs, where the best teams vie for the championship. This structure helps enhance the overall quality of basketball in Japan and supports the growth of the sport.