H.U.B is a five-member girl group under New Planet Entertainment. Originally four members, they released the pre-release single "Our Time Together" on November 24, 2016 before officially debuting on February 9, 2017 with the single "Girl Gang". Their name stands for 'Hope U Bounce'.
On May 31, 2017 Produce 101 contestant Hyosun was added to the group.
- Gracie (그레이시) - leader, main vocalist
- Rui (루이) - rapper, visual
- Yuem (유음) - lead vocalist, rapper, composer
- Hyosun (효선) - rapper, dancer
- Keina (케이나) - main rapper, maknae