On March 17, 2026, actress Park Ha-sun surprised fans by dropping a fresh Instagram update featuring 'Secretly Greatly: The Last' cast members Oh Jong-hyuk and Kim Dong-jun — instantly drawing buzz. In the photos, the trio smiles brightly at the camera, serving relaxed yet polished visuals.
The get-together doubled as promo for the musical 'Secretly Greatly: The Last,' staged at the nol Theater, Daehak-ro Woori Card Hall in Seoul. Fans flooded the comments with praise, including, "Park Ha-sun is so pretty!"