Hangyul and Jungha had participated in The Unit alongside Anne .
Later on , Anne was shown as a back - up performer in UNB 's Black Heart and was seen in performances with them alongside DIA 's Jueun , former Beatwin member Jungha and IM Hangyul .
Hangyul and member had participated in The Unit alongside Anne .
Later on , Anne was shown as a back - up performer in UNB 's Black Heart and was seen in performances with them alongside DIA 's Jueun , former Beatwin member Jungha and IM Hangyul .