On March 21, 2026, Hong Seok-cheon dropped a new Instagram update — a gym selfie that shows off his healthy, post-workout glow, instantly drawing buzz.
He amped up the mystery with the caption "Who are you really?????????" In the photo, Hong wears a black workout outfit while posing next to another man.
Fans flooded the comments with mixed reactions like "That's a look we never see when you're with Won-il lol," "Marriage," and "I had a great time."