4th Gen Idol’s “A*s On Full Display” Goes Viral

A viral photo of a popular male idol is making netizens do a double-take. Are their eyes playing tricks on them, or does he really look like that? 

ATEEZ’s Wooyoung | Studio Choom

On X (formerly Twitter), this photo of ATEEZ‘s Wooyoung performing his solo “Sagittarius” has gone viral, racking up over 4 million views and 39,000 likes…

…on a single post.

? pic.twitter.com/HO5rvUh0d2

— koi (@b1tesize) May 31, 2026

Naturally, netizens were stunned by Wooyoung’s physique and the sheer amount of skin he appeared to be baring…

greek sculptors wouldve seen this and called it career-ending https://t.co/54VxN9SlU9

— i aim my arrow (@vvoosn) June 1, 2026

Tell me why I thought this man's ass was on full display

— ⚘Cloud ~ •_• (@HanCloudiez) May 31, 2026

WHAT ON EARTH https://t.co/K4KhHdYZfn

— katie, (@linokithies) May 31, 2026

…but it’s actually an optical illusion caused by the shadows from Wooyoung’s jacket. When the photo is brightened, the rest of Wooyoung’s back becomes visible.

| @Gabriel55940959/X

That said, some netizens are choosing to ignore the reality of the photo and let their imaginations run wild!

Its shadows that make it look like he got tiny waist but still

— I (@krunchyteeths) May 31, 2026

Shadows from the jacket but I WILL LET MY IMAGINATION RUN!!!!

— Princess Solitaire (@nffaap) May 31, 2026

Check out more optical illusions here:

16 Shocking Yet Hilarious Optical Illusions Of K-Pop