Flow Sister.

K-Pop

Flow Sister (꽃누나) is best described as a Kpop trot group that consisted of Heuk Jangmi, Yeonha and Hana. Cha Sia departed the group in 2019. Additional background says that they debuted in 2018 with the single “Love Like A Flower “, under WEF Entertainment. The profile also notes that The group has presumably disbanded sometime in 2020. Another profile detail is that they came back together in 2022 and they’re still active.