Bae Joohyun! Kang Seulgi! Son Seungwan! Park Sooyoung! Kim Yerim! Re-deu-bel-bet! Peek-a-boo!

[Seulgi] Hmm yeah ([Irene]Yeah)

[Seulgi] Oh gosh nalliya
([Irene] Oh gosh)
maja nan jom gibunpa
[I/Seul] Hey geumbang tto sarange ppajeo
([Irene] Yeah yeah yeah yeah)
[Wendy] saegeonman joahaeyo banjjakkeorijo
dadeul geureochanayo matjo?

[Yeri] Peek-A-Boo
seollel ttaeman saranginikka
([All] La la la la la)
[Joy] nae chingu modu soricheo neon jeongmal munjeya
[Wendy] I'm fine fine fine fine fine fine
(Re! Deu! Bel! Bet!)

[All] Pee-Peek-A-Peek-A-Boo
(Bae Joohyun! Park Seulgi! Son Seungwan!)
Pee-Peek-A-Peek-A-Boo
(Park Sooyoung! Kim Yerin! Peek-a-boo!)
heuheungi nan yeou geugeureon naragu
Pee-Peek-A-Peek-A-Boo

[Yeri] I said 1, 2, 3
Play the game again
beoteuneul nulleo boja kungpumankeum ppalli
junggane nae mam byeonhaedo nollaji malgi
hokshi kkeulliji anni geureom Excuse me
[Irene] ja jeonhwahaeyo bamsae tto nolleo gayo hamkke
Restart a game
doljinhae rollinghae beullangka

[Wendy] oneul jeonyeokdo
([Yeri] Let's go)
noriteoneun bumbigo
jiruhaejil teumjocha eopjo
([Seulgi] Yeah yeah yeah)
[Joy] binggeulbinggeul dorayo
([Seulgi] Oh) dadeul ttokkatjo
Oh machimnae majuchin nunppit

[Irene] Peek-A-Boo
saeroweoyo sarangingayo
([All] La la la la la)
[Seulgi] nae chingu modu soricheo neon jeongmal munjeya
[Wendy] I'm fine fine fine fine fine fine
(Re! Deu! Bel! Bet!)
([Yeri] My boobooboo
Peek-A-Boo-Boo-Boo-Boo)

[All] Pee-Peek-A-Peek-A-Boo
(Bae Joohyun! Park Seulgi! Son Seungwan!)
Pee-Peek-A-Peek-A-Boo
(Park Sooyoung! Kim Yerin! Peek-a-boo!)
Pee-Peek-A-Peek-A-Boo

sullaeneun neoro jeonghaejeosseo
jaemisseul kkeoya kkiweo julkke
(Pee-Peek-A-Peek-A-Boo)
jeo dari jeonggeuljime geollil
shigankkaji noneun geoya
(Pee-Peek-A-Peek-A-Boo)

[Wedy] Peek-A-Boo
isanghae eora neon jom dalla
ireon geim meomchugo neoreul dashi boge dwae
[Seulgi] museopji ana nan saeroun yaegiga
pyeolcheojil kkeoraneun geol banggeum neukkyeosseunikka
([Wendy] Yeah yeah yeah yeah yeah yeah)

[All] Pee-Peek-A-Peek-A-Boo
(Bae Joohyun! Park Seulgi! Son Seungwan!)
Pee-Peek-A-Peek-A-Boo
(Park Sooyoung! Kim Yerin! Peek-a-boo!)
heuheungi nan yeou geugeureon naragu
Pee-Peek-A-Peek-A-Boo

[All] sullaeneun neoro jeonghaejeosseo
jaemisseul kkeoya kkiweo julkke
(Pee-Peek-A-Peek-A-Boo)
jeo dari jeonggeuljime geollil
shigankkaji noneun geoya
(Pee-Peek-A-Peek-A-Boo)

[All] sullaeneun neoro jeonghaejeosseo
jaemisseul kkeoya niga joa
(Pee-Peek-A-Peek-A-Boo)
jeo dari jeonggeuljime geollil
shiganijiman deo nolja
(Pee-Peek-A-Peek-A-Boo)

[Irene] Peek-A-Boo (x3)