I hope NMIXX can finish this comeback safely and healthily without getting hurt
What happened
NMIXX performs a stage-practice version of “긴 소원 (gin sowon, Birthday Wish),” showing the song as prepared for the stage.
Why Koreans care
The Korean title 긴 소원 (gin sowon) means “a long-held wish,” giving “Birthday Wish” a sense of something hoped for over time, not merely a wish made on one birthday.
In the Korean comments
The comments supply a second-watch vocal guide: one points to Sullyoon’s high note at 1:09, another highlights Jinsol’s forceful passage at 1:35, and several single out Lily’s ad-lib around 2:45–2:46.
What the words mean
육각형 그룹 (yukgakhyeong geurup) literally means “hexagonal group.” Here it is enthusiastic K-pop shorthand for an all-round group considered strong across vocals, dance, visuals, personality, and other categories.
Comments shown here come from this video.
The same comments the article read — most-liked first
I hope NMIXX can finish this comeback safely and healthily without getting hurt
Our NMIXX is a well-rounded group. They sing live well, dance well, and they’re pretty and kind... and so on! You should become a fan now, right? NSWERs’ wish is for them to finish these promotions safely without getting hurt. Fighting! (Lily’s final ad-lib was freaking insane..)
Everyone else is good too, but doesn’t it seem like Sullyoon has improved a lot? Maybe this song suits her perfectly?
BAKBING reaction summary
Fans are amazed by Seolyoon's high notes and Lily's ad-libs.
Short notes from fans
NMIXX fan notes

Strange Muse 6th EP Album
Strange Muse
Heavy Serenade
Blue Valentine
Fe3O4: FORWARD
Fe3O4: STICK OUT
Fe3O4: BREAK
A Midsummer NMIXX’s Dream
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