October 2016 :

• HeeJin (희진)
  • October 19, 2000 (Budanggu)
  • October Girl
  • Leader
  • Represented by a rabbit
  • Color : bright pink

November 2016 :

• HyunJin (현진)
  • November 15, 2000 (Jeonju)
  • November Girl
  • Represented by a cat
  • Color : yellow

December 2016 :

• Haseul (하슬)
  • August 18, 1997 (Ansan)
  • December Girl
  • Represented by a bird
  • Color : green

January 2017 :

• YeoJin (여진)
  • November 11, 2002 (Guro)
  • January Girl
  • Represented by a frog
  • Color : orange

February 2017 :

• Vivi ?

March 2017 :

• Sub-Unit :
  • LOOΠΔ 1/3 (Vivi, Haseul, Heejin, Hyunjin)

April 2017 :

• Vivi (비비)
  • December 9, 1996 (Hong Kong)
  • April Girl
  • Represented by a deer (+robot?)
  • Color : pastel rose
• Jinsoul ?

May 2017 :

• Kim Lip (김립)
  • February 10, 1999
  • May Girl
  • Represented by an owl
  • Color : Red

June 2017 :

• Jinsoul (진솔) [Jung Jinsoul / 정진솔]
  • June 13, 1997
  • June Girl
  • Represented by a fish
  • Color : Royal blue

July 2017 :

• Choerry (최리) [Choi Yerim / 최예림]
  • June 4, 2001
  • July Girl
  • Represented by a bat
  • Color : Purple