UraShimaSakataSen (浦島坂田船) or USSS is a group of four utaite who have a close relationship in real life, including Urata, Shima, Aho no Sakata and Senra. USSS teamed up in 2013 and opened at least one live tour each year. They also have their own commercial items such as the Gachapon or some merchandise in DEEN shop website.
In 2017, USSS formed a fictional unit called "Fourpe" (フォープ) under contract with NBCUniversal Entertainment Japan.
USSS official arts are often drawn by the illustrator Tsukimori Fuyuka (月森フユカ) while most of their original songs are composed by the producer Sum.