Biography
LOONA 1/3 is the first sub-unit from the Korean Girl Group known as 'LOONA'. The sub-unit includes 5 members, HeeJin, HyunJin, HaSeul & ViVi. Although member YeoJin was revealed to be the / of 1/3, she is not a member of the unit itself.
Biography text from Last.fm, available under CC BY-SA.