[Intro: Nicole]
Oh-oh, ooh
My boyfriend, yeah
[Verse 1: Seungyeon, Hara, Jiyoung]
Asa me ga sametara keitai hiraite
Kimi to kawashita ohayou no kooru
Pan o kajittari kami no ke o maitari
Sonna naiyou no meeru mo haato maaku
[Pre-Chorus: Gyuri, Nicole]
Nanoni saikin wa chotto surechigai mo fuete
Oyasumi sae itte kurenai ne
[Chorus: All]
I'm your girlfriend (Girlfriend), ooh, yeah
Datte shinjitai yo
Tokidoki wa chotto jishin nai kedo
I'm your girlfriend (Girlfriend), ooh, yeah
Ima mo suki da yo ne?
Kikenai koto wakatte yo
Suki da yo tte itte yo
[Post-Chorus: Nicole, Jiyoung]
I'm in love, I'm in love, I'm in love
Tsuyogari nanda tte kidzuite
Sabishii yo, my love
[Verse 2: Gyuri, Seungyeon, Hara, Jiyoung]
Aitai yo, soba ni ite yo
Akiteru kara mou ii no?
Ima mo I love you, nanoni karamawari
Yakusoku datta yo? Osoroi no ringu datte
Kimi no yubi ni wa miataranai
[Pre-Chorus: Nicole]
Itsumo no man'in densha mishiranu koibito ga
Shisen o kasane hohoemi ateta
[Chorus]
I'm your girlfriеnd (Girlfriend), ooh, yeah
Motto furetai yo
Ano koro no you ni watashi o mitе yo
I'm your girlfriend (Girlfriend), ooh, yeah
Doushite modorenai no?
Koibito da yo tte itte yo
Kisu ja nakya iya da yo
[Bridge: Seungyeon, Gyuri, Nicole]
Douse hitoribocchi de
Sugosu koto ni naru to
Omikondeta kinenbi no yoru no meeru
"Omedetou, ima kara iku"
Naita yo
[Chorus]
You're my boyfriend (Boyfriend), ooh, yeah
"Daarin suki da yo" tte
Ienai watashi mo otagai sama de
You're my boyfriend (Boyfriend), ooh-ooh
Nee honto daisuki tte
Kyou koso wa chanto iu kara
Dakishimete hoshii
[Post-Chorus: Nicole, Jiyoung, Seungyeon]
I'm in love, I'm in love, I'm in love (Ooh, hmm, ah)
Korekara datte suki datte
Yubikiri o shite ne
[Outro: Seungyeon]
I'm your girlfriend, I'm your girlfriend
I'm your girlfriend, yeah