Yuri : A perfect bad girl
Oh oh oh oh oh oh x3
Seohyun : I'm a perfect bad girl
Tiffany: If you've known my secret
Wouldn't you definitely be surprised?
Sooyoung: In whatever time period, my style shines
No one else can follow me
Jessica: I'll teach you this secret
ALL : I'll teach you
Sunny:  I will seduce you 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
Sooyoung :  I'm a perfect bad girl
Oh oh oh oh oh x3
Hyoyeon: I'm a perfect bad girl
Jessica: So tell me whatchu wanna do?
Yuri and Yoona : 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
ALL: I'll teach you
Sunny:  I will seduce you 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?
So tell me whatchu wanna do?
Jessica : Oh whatchu wanna do boy whatchu you wanna want
Tell me what you want
Hyoyeon: 
If you had already known m