On March 24, 2026, singer-actress Kim Sejeong revealed on Instagram that she has left Jellyfish Entertainment, marking a fresh new start.
Alongside a single black-and-white photo, Kim shared a heartfelt message. In the image, she holds flowers on stage, radiating emotion. She expressed deep gratitude to Jellyfish, which has been with her from her trainee days 12 years ago to now, and signaled her determination to take on a new challenge.
Fans are rallying behind her decision with messages of support. Comments like "We’ll keep cheering for you" and "So proud of you" are pouring in as many look forward to her next chapter.