On 2 November 2026, f5ve was a guest on Victory Lap. f5ve has been played over 10 times on NTS, first on 21 June 2024. f5ve's music has been featured on 10 episodes.

f5ve (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. The members are Kaede, Sayaka, Ruri, Miyuu, and Rui.

It is a special project unit based in the United States and consisting of selected members from the girl groups Happiness and iScream. The unit was announced in May 2022. Its executive producer and co-creative director is American musician BloodPop®.

F5ve released their debut album "Sequence 01" on May 5, 2025. The album features the singles "Lettuce", "Underground" and "Magic Clock.