Y-shirt y-shirt ooh ye
My heart my heart oh my heart
Y-shirt y-shirt ooh hoo
Il hal ttaen kkeutkkaji danchureul chaewoyo
Mwonga dareun geudaega joha
Swil ttaeneun du gaeman jogeum pureo noheumyeon
Eomeo jakku nuni ga

I know you
(Mareun an haedo ni mami da boyeo)
Oh boy anya naega meonjeo jjimhaenneunde
(Eodireul gado jakku neoman boyeo)
Geudaeege dagaga
Y-shirt y-shirt neomu dugeun dugeundae baby
I need you I want you ma boy maeil maeil
My heart my heart naman gajil su itge
And you & me forever

(Hey run to run to you come to come to me)
Na eojjeomyeon joha
(It's up to up to you always I'm your boy)
Na geudaega joha
Saehayan syeocheue eotteon ge joheulkka
Geudae nektai sareo gayo

Jakkuman saenggangna geudae neorbeun eokkaega
Jeomjeom angigo sipeo
I know you
(Mwol haedo yeppeo nae nunen da yeppeo)
Oh boy geuri swipjimaneun anheun nande
(Neoboda meonjeo naega daga galkka)
Eotteokhajyo? Nae mameul

Y-shirt y-shirt neomu dugeun dugeundae baby
I need you I want you ma boy maeil maeil
My heart my heart naman gajil su itge
And you & me forever
Na yeoksi ttok gateun geol neoui y-shirt danchu
Deopdago puneun sungan siseoneul gamchugi bappajyeo
Jogeumman chamajwo era mot chamgetdago sumgappajyeo
Wait, gakkeum haega jil ttaen nae syeocheureul ibeojullae
Dan duri nama isseul ttaen ipji malgo geudaero georeodullae

Y-shirt y-shirt neomu dugeun dugeundae baby
I need you I want you ma boy maeil maeil
My heart my heart naman gajil su itge
And you & me forever
(Hey run to run to you come to come to me)
Na eojjeomyeon joha
(It's up to up to you always I'm your boy)
Na geudaega joha