Kim Jae Hwan mengeluarkan lagu On One Day (어떤 날엔) untuk OST drama Crash Landing On You dari saluran tvN.
Lirik On One Day (어떤 날엔, OST Crash Landing On You) – Kim Jae Hwan
eodijjeum-in geonji
geudaewa na issneun gos ileohge
geujeo tteoolligiman haedo naneun
tteollim-eul neukkyeoyodang-gyeo an-eul sudo
mojilge jiul sudo eobsneun nae mam
salang-in deus-i beogchadaga
geulium-e jakku apawayoTransliterasi oleh Serbakorea.Com/transliterasi
eotteon nal-en geudaega
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meolliseo balaboneun il
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honjaseo salanghaneun il
jogeum seoleowojyeo nan
heuleuneun nunmul
dakk-a juleo wajwoyo geudaeyeo