On March 23, 2026, ATEEZ marked member Yunho’s birthday with a new Instagram post. The update featured a birthday message for Yunho that instantly grabbed fans’ attention.
The image showed artwork decorated with stars and hearts, spotlighting the phrase "0323 MY BIRTHDAY." The caption also invited fans to send loving birthday mentions, highlighting the outpouring of affection for Yunho.
Fans joined in, leaving comments like "Happy birthday YUYU!" and "Happy birthday Yunho! I hope you have a year filled with happiness," celebrating his special day together.