[Seulgi] Hmm yeah (Irene – yeah)

[Verse1] – [Seulgi] Oh gosh nalliya
(Irene – Oh gosh)
Maja nan jom gibunpa
[Irene/Seulgi] He geumbang tto sarange ppajyeo
(Irene – Yeah yeah yeah yeah)
[Wendy] Saegeonman joahaeyo
Banjjakgeorijyo
Dadeul geureochanayo majjyo?

[Bridge1] – [Yeri] Peek-A-Boo! Seollel ttaeman
Saranginikka
(Rv – La la la la la)
[Joy] Nae chingu modu sorichyeo neon
Jeongmal munjeya!
(Wendy – I’m fine fine fine fine fine fine~)
Ow!

[Chorus] – [Rv] Peek-Peek-A- (Joy – Ow!) Peek-A-Boo
Peek-Peek-A-Peek-A-Boo
Heungi nan yeou geureon naragu
Peek-Peek-A-Peek-A-Boo

[Rap1] – [Yeri] I said 1, 2, 3!, play the game again
Beoteuneul nulleoboja kungpumankeum ppalli
Junggane nae mam byeonaedo nollaji malgi
Hokshi kkeulliji anni? Geureom Excuse me

[Rap2] – [Irene] Ja jeonhwahaeyo bamsae
Tto nolleo gayo hamkke
Restart a game! Doljinae rollinghae beullangka!

[Verse2] – [Wendy] Oneul jeonyeokdo
(Yeri – Let’s go!)
Noriteoneun bumbigo
Jiruhaejil teumjocha eopsjyo
(Seulgi – Yeah yeah yeah)
[Joy] Binggeulbinggeul dorayo
(Seulgi – Oh oh oh)
Dadeul ttokgatjyo
O machimnae majuchin nunbit

[Bridge2] – [Irene] Peek-A-Boo! Saeroweoyo
Sarangingayo
(Rv – La la la la la)
[Seulgi] Nae chingu modu sorichyeo neon
(Joy – Modu sorichyeo)
Jeongmal munjeya!
(Wendy – I’m fine fine fine fine fine fine)
[Yeri] Ma Boo-Boo-Boo
Peek-A-Boo-Boo-Boo-Boo

[Chorus] – [Rv] Peek-Peek-A-Peek-A-Boo
Peek-Peek-A-Peek-A-Boo
Peek-Peek-A-Peek-A-Boo
Sullaeneun neoro jeonghaejyeosseo
Jaemisseul geoya kkiweo julge
(Peek-Peek-A-Peek-A-Boo)
Jeo dari jeonggeuljime geollil
Shigankkaji noneun geoya
(Peek-Peek-A-Peek-A-Boo)
(Seulgi – Yeah~ay~)

[Bridge3] – [Wendy] Peek-A-Boo! Isanghae eora neon jom dalla
Ireon geim meomchugo neoreul dashi boge dwae
[Seulgi] Museobji ana nan saeroun yaegiga
Pyeolchyeojil georaneun geol banggeum neukkyeosseunikka
(Wendy – Yeah yeah yeah yeah yeah yeah~)

[Chorus] – [Rv] Peek-Peek-A-Peek-A-Boo
(Wendy – Yeah yeah yeah yeah!)
Peek-Peek-A-Peek-A-Boo
(Joy – La la la la la)
Heungi nan yeou geureon naragu
(Joy – La la Peek-A-Boo)
Peek-Peek-A-Peek-A-Boo
(Seulgi – No no no!)

Sullaeneun neoro jeonghaejyeosseo
Jaemisseul geoya kkiweo julge
(Wendy – Yeah~)
(Peek-Peek-A-Peek-A-Boo)
Jeo dari jeonggeuljime geollil
Shigankkaji noneun geoya
(Joy – Na na na na ah)
(Peek-Peek-A-Peek-A-Boo)

Sullaeneun neoro jeonghaejyeosseo
(Seulgi – A-Peek-A-Boo)
Jaemisseul geoya nega joa
(Joy – A-Peek-A-Boo)
(Peek-Peek-A-Peek-A-Boo)
Jeo dari jeonggeuljime geollil
(Wendy – A-Peek-A-Boo)
Shiganijiman deo nolja!
(Wendy – Yeah yeah!)
(Peek-Peek-A-Peek-A-Boo)

[Irene] Peek-A-Boo
Peek-A-Boo
Peek-A-Boo