Founded in 1955 as Fujitsu Soccer Club, the team joined the J-League in 1999. Its home stadium is Todoroki Athletic Stadium in Nakahara-ku, Tokyo.
The emblem is based on the Kawasaki City flower azalea, the team mascot dolphin, and the team colors of saxophone blue, symbolizing the dynamic and attractive coastal city of Kawasaki, which is open to the world.

With Toyohashi City, Aichi Prefecture as its hometown, the Sanyo Neo Phoenix crosses the boundaries of two prefectures, the East Mikawa region in the eastern part of Aichi Prefecture (San) and the Enshu region in the western part of Shizuoka Prefecture (En), to "make the Sanyo region a city with a smile and vitality! We are working under the philosophy of "making the San-En area a city of smiles and vitality!