On March 20, 2026, Jang Sung-kyu posted a new update on his Instagram, revealing he had tracked down the person he once had a crush on in high school. His humorous, nostalgia-filled post quickly drew attention.
In the video he shared, Jang revealed he still keeps handwritten letters from his school days. Reflecting on the past, he wrote, "But memories are just memories," showing a sentimental side. He also thanked her for cooperating with the filming.
Fans reacted positively to his wit and honesty. While there weren’t standout comments, many were moved by Jang’s sincerity.