[Verse 1: Heejin, Hyunjin (Haseul)]
Oh jamkkan gamatdeon
Nuneul tteugo boni (eoneusae nan)
Saeroun sesange on geot gata
Nal bulleojuneun Melody
Imi hyanghan balgeoreum baby
Seolmyeonghal su eomneun ikkeullim
[Pre-Chorus: Heejin]
Natseon punggyeongdeulgwa
Noeul jin georie
Beonjyeoganeun miso
Di, da, di, da, di, dap, da!
[Chorus: Hyunjin, Heejin]
Illyoil gateun geudae
Sunday, my Sunday
Hyusik gateun seollem
Wanna be, wanna be, your love
Teukbyeolhage mandeuljyo ttokgateun harudo
Haneul byeol cheoreom banjjak binna
Geudaeneun Sunday
Sunday, Sunday, love
[Verse 2: Hyunjin, Heejin]
Oh jamkkan meomchwotdeon sigan sok
Memory gieogi na
Saeropge taeeonan geonman gata
Nal bangyeojuneun Melody
Imi hyanghan balgeoreum baby
Seolmyeonghaji anado alji
[Pre-Chorus: Hyunjin]
Natseon chueokdeuri hanassik ssayeoga
Modeun ge sojunghae
Di, da, di, da, di, dap, da!
[Chorus: Hyunjin, Heejin]
Illyoil gateun geudae
Sunday, my Sunday
Hyusik gateun seollem
Wanna be, wanna be, your love
Teukbyeolhage mandeuljyo ttokgateun harudo
Haneul byeol cheoreom banjjak binna
[Bridge: Hyunjin, Heejin]
Sumi chadeut dallyeodo
Kkeuchi anboideon nal
Jinagan Yesterday
Ijen dagaolgeoya
Nunbusin taeyangboda binnal geu nal
Geudaeneun Sunday, Sunday (Yeah, yeah)
Geudaeneun Sunday, Sunday
Na, na, na, da, doo, doo
[Chorus: Hyunjin, Heejin]
Nae soneul jabajullae
Sunday, my Sunday
Oneureun waenji deo
Wanna be, wanna be your love
Teukbyeolhage mandeuljyo ttokgateun harudo
Haneul byeol cheoreom banjjak binna
Geudaeneun Sunday
Sunday, Sunday love