[Verse 1: Wendy]
Sumaneun saramdeul jung
Eotteoke neoreul arabol su isseosseulkka
Wae nan neoyeosseulkka
Machi cheoeumbuteo nae yeopjarineun
Neoyeotdeon geotcheoreom
Modeun geosi jayeonseureowosseo
[Pre-Chorus: Wendy]
Maltu hana jageun seupgwandeulmajeo
Eoneusae seoseohi seumyeodeureo
[Chorus: Wendy]
You, you'rе my best friend
Yeongwonhi, nеver end
Naege neon kkeunnaji aneul iyagi
Neo, neoraneun uimi
Ujuboda deo keun muhanham
Oh you, you're my best friend
[Interlude: Wendy, Seulgi]
Ah, ah
Yeah, yeah
[Verse 2: Seulgi]
Gajang gakkaun goseseo
Eonjena nae pyeoni doeeojul
Dan han saram geuge neoyeoseo nan
Oraen sigani heulleobeorindaedo
Neul byeonhameopsi
Nareul gamssajul neoran saram
[Pre-Chorus: Seulgi]
Oh gin haru kkeute mugeoun hansummajeo
Ttaseuhan wiroe sarajyeoga
[Chorus: Seulgi, Wendy]
You, you're my best friend
Yeongwonhi, never end
Naege neon kkeunnaji aneul iyagi
Neo, neoraneun uimi
Ujuboda deo keun muhanham
Oh you, you're my best friend
[Bridge: Seulgi, Wendy]
Hangsang byeonhameomneun pyeonanhameuro
Nugubodado neolbeun pogeunhameuro
Baraman bogo isseodo useumi naoneun sai
Amu mal haji anado neukkyeojineun geol
[Chorus: Both, Wendy, Seulgi]
Oh you, you're my best friend
Yeongwonhi, never end
Neon jeoldae kkeunnal su eomneun iyagi
Neowa na hamkkeraneun uimi
Naega(naega)neul neoreul(neoreul)jikyeojulge
Oh, 'cause I'm your best friend(You're my best friend)
[Outro: Both]
Oh, thank you, my best friend