f5ve (ファイビー; pronounced fi • vee), formerly known as SG5 (short for Sailor Guardians 5), is a Japanese girl group co-managed by LDH JAPAN and global management firm Three Six Zero, and represented globally by WME. It is a special project unit based in the United States and consisting of 5 members from previous J-pop girl-groups: Kaede, Miyuu, Ruri, Sayaka of Happiness and Rui of iScream. The unit was announced in May 2022. Its executive producer and co-creative director is American musician BloodPop®.