I'm a perfect bad girl
(Jessica)
So tell me whatchu wanna do?
(Yuri)
I bet you'll feel something unimaginable
I don't like my own rules to be ordinary
(Sunny)
I'm not picky, I'm just honest
Don't underestimate me but just follow me
(Jessica)
I'll teach you this secret
(Yoona)
I'll teach you
(Sunny)
I will seduce you alright
(Yoona)
Alright
(Taeyeon)
Are you ready now?
(ALL)
Are you ready now?
(Tiffany)
It will be revealed very soon
(Seohyun)
It will be revealed very soon
Oh oh oh oh oh x3
(Jessica)
I'm a perfect bad girl
Oh oh oh oh oh x3
(Sunny)
I'm a perfect bad girl
(Jessica)
So tell me whatchu wanna do?
(Tiffany)
Boy watchu wanna do?
(Jessica)
So tell me whatchu wanna do?
Oh whatchu wanna do boy
Whatchu you wanna want
Tell me what you want
(Hyoyeon)
If you had already known my secret
You must have definitely...
(Jessica)
I'll teach you
(Yoona)
I'll teach you
(Sunny)
I'll seduce you alright
(Yoona)
Alright
(Taeyeon)
Are you ready now?
(Hyoyeon)
Are you ready now?
(Tiffany)
It will be revealed soon
(Seohyun)
It will be revealed soon
Oh oh oh oh oh x3
(Sunny)
I'll seduce you alright
(Tiffany)
I'm a perfect bad girl
It will be revealed
(Taeyeon)
I'm a perfect bad girl
(Yuri)
I bet you'll feel something unimaginable
(Sunny)
I'll seduce you
(Yoona)
I don't like my own rules to be ordinary
(Seohyun)
I'm a perfect bad girl