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Gunugurado jalmotggi wuh buhrin

Danchu hana chuhrum

Utgal lyuh buhri nun nal itgehjo



Nan mitgo it sut jiman sol jik

Han ma um weh myun han duh

Muluh juh ganun dwit mo soop

Bomyuh ahmoo mal halsoo upsuhjo



Jigum e dero jun hago shipuh

Jamgyuh itdun maum ehyul sweh ga

E gasum sokeh bitnago itsuh yo

Duh wook gang hage jikigo shipuh 

Sel soodo upshi man eun chuwukul

E uh joogo itnun e room eun

Just a Key of Heart



(I believe love to heart)

(I believe love to heart)



Mian hadago e yagi handa

Myun al soo it suhdo

Honja suh mal hal soon upgehjo



Gu dero jigum nawah gattun

Senggak hago itnun guh jo

Un myung e woo ril buru nika

Gude rul hyanghae gahnun kul



Jigum e dero jun hago shipuh

Jamgyuh itdun maum eh yul sweh ga

E gasum sokeh bit nago it suh yo

Nunul gamunche, gido halkke Yo

Doogun guhrinun e maum modoo

Gude eh gaejunhae jidorok

Just a Key of Heart



Woo yunhee gude mannan kijukdo e

Sesanghae taeuh nana uy mido

Juhmada suhro gasumhae saeginche

Mang sullim upshi jap atdun

Gudewa naman uy jakeun yaeghee nun

Kutnaji anke hago shipuh

Just a Key of Heart



LaLaLa...

LaLaLa...