LaLaLa...
LaLaLa...

Gu nugu rado, jal mot ggi wuh buhrin danchu hana chuhrum
Utgal lyuh buhri nun nal it get jo
Nan Mitgo It Sut Jiman Sol jik han ma um weh myun han dut
Muluh Juh Ganun Dwit Mo soop Bomyuh ahmoo mal halsoo upsutjo
JiGum E Dero Jun hago Shipuh JamGyuh Itdun MaUm Eh Yul Sweh Ga
E Gasum SokEh Bit nago It Suh yo

Duh Wook Gang HaGe Jikigo Shipuh Sel Soodo Upshi Man Eun ChuWuk Ul
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 Ya Gi Handa Myun Al Soo It SuhDo
Honja Suh Mal Hal Soon UpGet Jo
Gu dero JiGum NaWah Gattun SengGak HaGo ItNun Guh Jo
Un Myung E Woo Ril Buru Nika GuDe Rul Hyang Hae GahNun Kul

JiGum E Dero Jun hago Shipuh JamGyuh Itdun MaUm Eh Yul Sweh Ga
E Gasum SokEh Bit nago It Suh yo
Nun Ul GamUn Che, GiDo Halkke Yo DooGun GuhriNun E Maum Mo Doo
GuDe Eh Gae Jun Hae JidoRok JUST A KEY OF HEART

Woo YunHee GuDel ManNan KiJukDo E Sesang Ae TaeUh Nana Uy Mido
Juh Mada SuhRo GaSum Ae Sae Gin Che
Mang Sullim UpShi Jap AtDun GudeWa Na Man Uy Jak Eun YaeKi Nun
Kut Naji AnKe Hago Ship Puh JUST A KEY OF HEART
LaLaLa...
LaLaLa...