Lời bài hát Only I didn't know
Jeongmal neon da ijoeotdeora
Bangapge nal boneun neoui eolgul boni
Geujeya eoryeompushi apaodeora
Sae sal chaoreuji mothan sangcheoga
Nunmureun heureujil anteora
Ibyeorira haneun ge daedanchido mothaeseo
Ireoke bojalgeo seobseoseo
Joheun ibyeoriran geo
Gyeolguk sesangen eomneun iriraneun geol
Aratdamyeon geuttae charari da ureoldul geol
Geuttae imi naraneun geon
Negen kkeuchieot daneun geon
Naman mollaesseotdeon iyagi
Sarangeun anieotdeora
Nae gyeote meomuldeon shiganieosseul ppun
Ijeya eoryeompushi al geotman gata
Wae neon mianhaesseo yaman haenneunji
Naega neomu deultteosseonna bwa
Tteonaneun sunganmajeo gidaereul haesseotdani
Eolmana ooseuwotdeon geoni
Joheun ibyeoriran geo
Gyeolguk sesangen eomneun iriraneun geol
Aratdamyeon geuttae charari da ureoldul geol
Geuttae imi naraneun geon
Negen kkeuchieot daneun geon
Naman mollaesseotdeon iyagi
