[Intro: Irene]
Better be my baby, you better be
Better be my baby, you better be
Better be my baby, you better be
Better be my baby

[Verse 1: Joy, Wendy & Yeri]
Meotjil geoya
Majuchin nunbicheuro mari deullimyeon
Chaekcheoreom nae saenggageul ilge doendamyeon
Geuttaen bunmyeong gateun sesangil geoya
An geurеoni uri dul sai
Geurae maja uri dul sai

[Pre-Chorus: Seulgi]
Jeo dalbit araе mimyohan
Sangsangi jameul kkaeuneun i bam

[Chorus: All & Joy]
Deo gakkai naege josimhi
Meonjeo better be in love (Love)
Ja naega neol gollatjanni
Well, you better be in love (Love)
Tto salgeumsalgeum hanahana
Neoreul kaeneun na
Nan sigani geollil ppunini
Meonjeo dagawabollae (Better be)

[Refrain: Yeri]
Better be my baby, you better be
Better be my baby, you better be
Better be my baby, you better be
Better be my baby, you better be

[Verse 2: Irene]
Jubyeoneul seoseongdae kkorireul maemdolgo
Jakku mwonga juni (Mwonga juni) Gwichanko
Sasil nae mami gwaenhi neol nolligo sipeo
Pyohyeoneun deom gibun naekil ttaeman

[Verse 3: Yeri, Seulgi & Wendy]
Geuraedo neon nareul hangsang ana jugo
Sumeoisseodo geumbang chaja dasi ana jugo
An geureoni uri dul sai (Oh)
Geurae maja uri dul sai (Ooh woah)

[Pre-Chorus: Joy & Wendy]
Ireun saebyeogui goyoham (Ontong)
Dalbitdo jeomjeom huimihaejil ttae (Modu jeomjeom huimihaejil ttae)

[Chorus: All, Seulgi & Wendy]
Deo joyonghi pume sappunhi
Alji better be in love (Love)
Nan negeman ireojanni
Well, you better be in love (Love)
Tto salgeumsalgeum hanahana
Neoreul kaeneun na (Neoreul kaeneun na)
Nan sigani geollil ppunini
Meonjeo dagawabollae (Better be)

[Refrain: Wendy]
Better be my baby, you better be
Better be my baby, you better be
Better be my baby, you better be
Better be my baby, you better be

[Bridge: Seulgi, Yeri, Joy & Wendy]
Geu aeui harureul geotji (Hamkkehae)
Aneun hyanggil ttara (Neoege)
Nopeun taeyangi jimyeon (Ireoke)
Neoneun maeil gachi naege wa
Seotbulli soneul ppeotjineun ma
Jinsilhan sijageul wonhae wonhae
Better, better, better, better
You better be in love

[Chorus: All, Yeri, Wendy & Seulgi]
Deo gakkai naege josimhi
Meonjeo better be in love (Love, woo!)
Ja naega neol gollatjanni
Well, you better be in love (Love; You better be in love)
Deo joyonghi pume sappunhi
Alji better be in love (Love)
Nan negeman ireojanni
Well, you better be in love (Love)

[Post-Chorus: All & Wendy]
Tto salgeumsalgeum hanahana
Neoreul kaeneun na (Neoreul kaeneun na)
Nan sigani geollil ppunini
Meonjeo dagawa jullae (Better be)

[Outro: Wendy & Irene]
You better be in love
(Better be my baby, you better be)
You better be in love
(Better be my baby, you better be)
You better be in love
(Better be my baby, you better be)
You better be in love
(Better be my baby, you better be)