On March 18, 2026, Billboard Korea dropped a new Instagram post featuring rookie K-pop group ATHEART — and it’s already turning heads.
In the post, ATHEART personally break down the choreography for their new song 'Butterfly Doors'. The moves evoke the soft flutter of butterfly wings, with delicate highlight points that immediately draw the eye. Dressed in comfy outfits at a fitting location, the members joyfully show off the routine.
Fans flooded the comments with reactions like "I loveeeeee it", "CUTIESSSSS", and "ATHEART", highlighting the group’s adorable charm.