Nunbusin achim haessare
Buseuseu nuni tteojideon geu nal
Ganjireoun neukkim useumi nawa
Deullineun radiosori
Hyanggeutan keopihyanggiwa hamkke

Oneureun gibun joheun harureul sijakhae
Gwaenseure utge doego
Haengbokhago neomuna joheungeol
Waenji joheun iri isseul geotman gata

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life
Oh my happy day

Gabyeoun balgeoreumeuro sesang sogeuro dallyeonagamyeon
Barami pogeunhage nal gamssajugo
Ttungttunghan ice cream ajeossi
Pungseeon deun yeppeun kkomaaido
Modu da haengbokhage harureul sijakhae

Gireul geotdaga mannan hunnam
Oppa naege mareul geonnewa
Jeo hoksi yeollakcheo jom al su isseulkkayo

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life
Oh my happy day

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life

Oh oh happy day
Oh oh happy smile
Oh oh happy sound
Oh oh happy life