[Verse 1: Duna, Sua, Yuna, Seoyeon]
Ttaeron najocha mollasseo
Mworalkka gakkeum honjain gibun
Sumaneun saramdeul
Amudo mollajuneungeol
Waenji naman ireoke
Jakkuman himdeureo hae
Dachin nae mamui teumeuro
Knock, knock and talk, talk
Malhae
[Pre-Chorus: Duna, Geumhee]
Gwaenchana ijen alright
I'll give you the sunlight
Tto dareun nal bon sungan
Hello, strangers
[Chorus: Yeham, Sua]
Nal bomyeo hello
Say hello insareul jeonhalge
Sumaneun iri to me
I know igeon make me stronger
Seollejana
Nal bomyeo hello
Say hello
Saeroun narеul saranghae (saranghae)
[Verse 2: Duna, Sihyeon, Sua, Yuna]
Sumeoitdеon nae mameul
Ije chajanaen geoya
Deoneun duryeopji ana
Jigeum nae soneul jaba
Maeil achimi omyeon
Nae mamdaero chaeullae
Ajik biwojin naeire
Knock, knock
Dagaga my day
[Pre-Chorus: Seoyeon, Sihyeon]
Gwaenchana ijen alright
I'll give you the sunlight
Tto dareun nal bon sungan
Hello, strangers
[Chorus: Yeham, Geumhee]
Nal bomyeo hello
Say hello insareul jeonhalge
Sumaneun iri to me
I know igeon make me stronger
Seollejana
Nal bomyeo hello
Say hello
Saeroun nareul saranghae (saranghae)
[Bridge: Duna, Sua, Yuna, Sihyeon, *Geumhee*]
Dolgo dora naegero
Geureokedo wemyeonghaetdon geuttaeui na
Dolgo dora ijeseoya
Mannan nal anajullae
Knock, knock hago sipeun daero
Talk, talk, naege mareul georeowa
*More, more, al su eomneun moments
Seolleneun days*
[Chorus: Yeham, Seoyeon]
Nal bomyeo hello
Say hello insareul jeonhalge
Sumaneun iri to me
I know igeon make me stronger
Seollejana
Nal bomyeo hello
Say hello
Saeroun nareul saranghae
[Outro: Duna]
Hello, strangers