東京湾
Shining Arcs Tokyo-Bay Urayasu (formerly NTT Communications Shining Arcs) – commonly known as the Shining Arcs – is a rugby union team owned by NTT Communications and is part of Japan's Top League competition. The team was based in Ichikawa city, Chiba Prefecture in the Kantō region, before rebranding as Shining Arcs Tokyo-Bay Urayasu and moving to Tokyo Bay and Urayasu following the rebranding of the Top League as the Japan Rugby League One in 2022.