5th member revealed
full name: wong ka hei
date of birth: 9 december 1996
colour: light pink
animal: deer
month: april
location: hong kong
single album: vivi
single: "everyday i love you" feat. haseul
b-side: "everyday i need you" feat. jinsoul
other appearances: "new" (lead role)
sub-unit: loona 1/3 (position unknown), night