[Verse 1: Mina, Tzuyu]
Ne sumgyeore nuni gamgimyeon
Heunnallin kkochipi doeeo heundeulligo
Ne hyanggie siseoneul olgyeo
Neol derigo ssoa ollin jeo bulkkocheuro
[Pre-Chorus: Sana, Jeongyeon, Dahyun, Momo]
Eojireopdeon mam soge
Deopchyeowa what we're waiting (Waiting), waiting for
Deo gamssa ana tteugeoun i ongie
Jigeum naega tto dareun naro
So let me tell you
[Chorus: Jihyo, Nayeon]
I don't know 'bout you
But I get butterflies
Modeun neukkim tteollim songil first time, first time
When I'm loving you
I'm always satisfied
Neowaui modeun sungan machi first time
[Verse 2: Chaeyoung, Jeongyeon, Jihyo]
Tell me now soksangnyeojwo
Bukkeureowo ma (Hey!)
Malhaebwa jigeum (jigeum)
Don't keep me guessing
Geu nuguegedo, oh
Juji mothan mami(mami)
Neol gamssa
[Chorus: Jihyo, Nayeon]
I don't know 'bout you
But I get butterflies (Hoo!)
Modeun neukkim tteollim songil first time, first time
When I'm loving you (Oh, oh)
I'm always satisfied (I'm always satisfied)
Neowaui modeun sungan machi first time, first time
(Lemme hear you say 'hey!')
[Post-Chorus: Momo, Dahyun, Sana, Nayeon]
(Hey!) geu son naege daeul ttae (Woo!)
(Hey!) onmom nege matgilge
(Hey!) I'm always satisfied (Woo!)
Neowaui modeun sungan machi first time, first time (It's like the first time)
[Bridge: Mina, Tzuyu, Sana, Chaeyoung]
Strawberry kisses taste so good to me
Ganjireoun neukkim dara eojireowotji
Meoriga ping dora, oh, you're so sweet
Geudaen like the first time
[Refrain: Momo, Dahyun, Jihyo, Nayeon]
(Hey!) geu son naege daeul ttae (Woo!)
(Hey!) onmom nege matgilge (Hey, hey, hey; Yeah)
(Hey!) neoneun machi first time (Woo!)
(Hey!) (Woo!)
[Chorus: Jihyo, Nayeon]
I don't know 'bout you
But I get butterflies (Flies)
Modeun neukkim tteollim songil first time, first time
(It's like the first time, first time)
When I'm loving you
I'm always satisfied (Ooh)
Neowaui modeun sungan machi first time, first time (It's like the first time, yeah)
[Post-Chorus: Momo, Dahyun, Mina, Jihyo]
(Hey!) geu son naege daeul ttae (Hey, hey, hey; Woo!)
(Hey!) onmom nege matgilge (onmom nege matgilge)
(Hey!) I'm always satisfied (Oh)
Neowaui modeun sungan machi first time
Mm-hmm-hmm