Sumber : Youtube
BlackVelvetOfficial & SMtown

Dance practice

Comeback stage perfomance

Inkigayo perfomance

Music bank perfomance

Lyrics colour code

Music video(MV)

Line distribution

(Seojung) Hmm yeah
(Seorin) (Yeah)

(Seojung) Oh gosh nalliya
(Seorin) (Oh gosh)
(Seojung) maja nan jom gibunpa
Hey geumbang tto sarange ppajeo
(Seorin) (Yeah yeah yeah yeah)
(Sooyun) saegeonman joahaeyo banjjakkeorijo
dadeul geureochanayo matjo?

(All) Peek-A-Boo
(Jae) seollel ttaeman saranginikka
(Leyda) (La la la la la)
(Jae) nae chingu modu soricheo neon jeongmal munjeya
(Sooyun) I'm fine fine fine fine fine fine

(All) Pee-Peek-A-Peek-A-Boo
Pee-Peek-A-Peek-A-Boo
heuheungi nan yeou geugeureon naragu
Pee-Peek-A-Peek-A-Boo

(Neul) 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
(Sooyun) ja jeonhwahaeyo bamsae tto nolleo gayo hamkke
Restart a game
doljinhae rollinghae beullangka

(Jaemin) oneul jeonyeokdo
(Leyda) (Let's go)
(Jaemin) noriteoneun bumbigo
jiruhaejil teumjocha eopjo
(Seojung) (Yeah yeah yeah)
(Jaemin) binggeulbinggeul dorayo
(Sooyun) (Oh)
(Seorin) dadeul ttokkatjo
Oh machimnae majuchin nunppit

(All) Peek-A-Boo
(Jaemin) saeroweoyo sarangingayo
(Seojung) (La la la la la)
(Seorin) nae chingu modu soricheo neon jeongmal munjeya
(Sooyun) I'm fine fine fine fine fine fine
(Jae) (My boobooboo
Peek-A-Boo-Boo-Boo-Boo)

(All) Pee-Peek-A-Peek-A-Boo
Pee-Peek-A-Peek-A-Boo
Pee-Peek-A-Peek-A-Boo

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

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

(All) Pee-Peek-A-Peek-A-Boo
Pee-Peek-A-Peek-A-Boo
(Jae) (La la la la la)
(All) heuheungi nan yeou geugeureon naragu
(Jae) (La la Peek-A-Boo)
(Neul) Pee-Peek-A-Peek-A-Boo

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

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

(Sooyun) Peek-A-Boo
Peek-A-Boo
Peek-A-Boo