Koshigaya Alphas are a professional basketball club based in Koshigaya, Saitama Prefecture, Japan, and they compete in the B1 League, the nation's premier division. The team plays its home games at the Koshigaya Municipal Gymnasium, creating a vibrant local atmosphere. Founded as part of the B.League's structure, the team's full name and colors, often incorporating blue and red, represent the city's identity. The Alphas were established to provide a top-tier sports franchise for Koshigaya and the surrounding region. The team is currently in its foundational era, working to build a competitive roster and a loyal fanbase in a tough B1 League landscape. Their modern era strategy involves developing young Japanese talent and integrating skilled foreign players to climb the standings. The core group is focused on implementing a fast-paced, defensive system under their coaching staff. Team culture is community-oriented, with outreach programs and a family-friendly game-day experience central to their mission. The Koshigaya Alphas are a determined new entrant aiming to become a fixture in Japanese professional basketball.