Billlie member Moon Sua honored the birthday of her brother, the late Moonbin, who is in heaven.
On the 25th, Moon Sua posted a brief message on her Instagram, saying, "Happy birthday, my one and only brother," along with a childhood photo of the siblings.
In the photo, Moonbin holds young Moon Sua in his arms with a bright smile. Their affectionate bond, evident since childhood, deeply moved fans.
Choi Yoojung commented, "You two are insanely adorable," showing her love. VIVIZ's SinB also reminisced, saying, "I suddenly remembered how you two used to bicker when you were little."
Meanwhile, Moonbin, a member of ASTRO, passed away in April 2023. Moon Sua, his younger sister, is currently active as a member of Billlie.