(What a day What a day, what a day, what a day What a day, what a day, what a day What a day, what a day, what a day What a day, what a day What a day What a day, what a day, what a day) ollaga on the moon, why do you look so blue? Baby, you, can you hear me? ojig dul-iseoman eunhacheoldo gugugu ijen gyesogdoego sip-eo na-ui happy girl neo-ui happy girl ollaga on the moon, why do you look so blue? Baby, you, can you hear me? ojig dul-iseoman eunhacheoldo gugugu ijen gyesogdoego sip-eo na-ui happy girl neo-ui happy girl gip-eun nae jam-eul pumsog inhyeong-i gajigo dalkomhan kkum-e dulyeo-um-eul da gajyeoga eo-kkae wi jag-eun chinguga gi-eog-eul bad-a swibge nae saeg-ui heutnallim-eul gajyeoga eodu-un bam-eun chaeg sog milyeon-i gajigo ssaneulhan mom-e ja-yulo-um-eul gajyeoga du son-eul jab-eun eommaga gidoleul mag-a Na-na-na-na-na-na, na-na-na-na-na ollaga on the moon, why do you look so blue? Baby, you, can you hear me? ojig dul-iseoman eunhacheoldo gugugu ijen kkae-eonago sip-eo na-ui happy girl neo-ui happy girl chimmug-eun nun-ui gyogam honlan-eun sachi-ya ulin sigan-ui cheos mannam-eseo nal-a salang-ui salmgwa gajang geojisdoen sesang-e dajeonghan sonjis alae uimileul dam-a gip-eun ne bam-e kkumsog milyeon-eul gajigo balaejin saeg-i dasi naege dol-a-wa gipge nae jag-eun ma-eum-i gidoleul bad-a Na-na-na-na-na-na, na-na-na-na-na ollaga on the moon, why do you need a clue? Hey, I know you can love me ojig yeogiseoman neulige ollaganeun bam, ijen do-wajul su issni? na-ui happy girl neo-ui happy girl