Lyric added by: OLAWell well, what an operatic situation
What's more, you've been drawn in more and more
Hey, listen up
This increasingly captivating image
You take it in, satisfied nonetheless
Hey, listen up
Secret, it's a secret Opera
An all dancing Opera
An all singing Opera
Hey, 'cause it's so good, let's go coolly
Secret, it's a secret Opera
A risque Opera
A dangerous Opera
Because it's good, because this is so good
Hey, 'cause it's so good, let's go coolly
Because it's good, because this is so good
Even under this shining light
Your love is hazy and blurred
The star of the show is a devil
Still I have no qualms, I make you melt
Hey, listen up
Secret, it's a secret Opera
An all dancing Opera
An all singing Opera
Hey, 'cause it's so good, let's heat it up
Secret, it's a secret Opera
A risque Opera
A dangerous Opera
Because it's good, because everything's so good
Hey, 'cause it's so good, let's heat it up
Because it's good, because everything's so good
Your heart keeps all of a sudden beating fast
Never lose the courage to smash the shells
After all, they didn't need words
Mozart, Handel, Bizet
The Opera suits you much more than you think
Secret, it's a secret Opera
An all dancing Opera
An all singing Opera
Hey, 'cause it's so good, let's go coolly
Secret, it's a secret Opera
A risque Opera
A dangerous Opera
Because it's good, because this is so good
Hey, 'cause it's so good, let's go coolly
Because it's good, because this is so good
Because it's good, because everything's so good
aimerodi
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This song is really cool! I love it
they're so cool
handsome donghae! *o*
so cool..more power!!!!!
They are just soooo handsome all of them
love this so much too! the masks
and them awesome capes 
I really like this concept. The chorus is darn catchy!
I don't quite understand the capes tbh but other than that, I LOVE IT.
Siwon!
Kyuhyun!
and DONGHAE!!
333
I love both versions and the DANCEVERSION IS AMAZING OMG.
I like both the Korean version and Japanese version
na not even cool like you cant tell it sounds just like mirotic frm dongbangshin ki lol
After hearing both versions, I gotta say I prefer the Japanese version of this. It just seems better suited to the language. Though the Korean version beats it in the lyrics department (they're better written).
Wow, this is really cool!!!
If this is the Japanses version, does that mean there will be a Korean version?
Yes there's a Korean version. Check it out on here!
GOSH the whole concept of the video is an imitation from SS501's love ya! even some of the wardrobe look familiar!
I really fucking love this song it is really amazing!!
Love it. This is why I love Super Junior. I do have to say though, I do love the Korean version better.
love the classiness in the vid XD
the song is good :3
OMGGGGGGGG SUPER JUNIOR
wawwww ... it cool
very nice