[Romanized:] Eomma eojen jeongmal mianhaeyo Du nuni neomu bueoseo Bangmuneul jamgeun chae hanbal jjakdo naol su eopseosseo Jakkuman nunmuri heureuneun geol na eotteokhae I jigu wien cheot sarangeul jikkyeonaen sarameun eopnabwa Nuguna han beonjjeum han ungkkeum nunmureul ssoda naegon Itgo saraga nabwa Nae cheot sarangeun cheot sarangni cheoreom apa Nan molla molla i beolle gateun sarang Eorin naegen neomu janinhae Eojjeojyo.. beolsseo tabeorin nae mam OH No My first love.. i sarangi nal jugil geonga bwa Eotteokhae Eomma.. appado ireohke soksseogin jeok innayo Namjaneun ireohke swiun yeoja mamdo moreunabwa Nappeun nom jeonhwado eopne Nae cheot sarangeun cheot sarangni boda apa Nan molla molla i beolle gateun sarang Eorin naegen neomu janinhae Eojjeojyo.. beolsseo tabeorin nae mam OH No My first love.. i sarangi nal jugil geonga bwa Eotteokhae Dalkkomhan geon hansungani eonna bwa Eojjeoji eojjeoda eojjeonda eojjeona Jeomjeom kkeojyeo ganeun nae sarangeul Foolish foolish babo gateun nae cheot sarang Na jugeul geot gata eomma OH No My first love.. i sarangi nal apeuge hane Love is cold, love is pain, love is fool Ireon cheot sarangeun naegen neomu nado apa Cheoreopneun naegen neomuna apa Cheot sarangni boda [Korean:] 엄마 어젠 정말 미안해요 두 눈이 너무 부어서 방문을 잠근 채 한 발짝도 나올 수 없었어 자꾸만 눈물이 흐르는 걸 나 어떡해 이 지구 위엔 첫사랑을 지켜낸 사람은 없나봐 누구나 한 번쯤 한 웅큼 눈물을 쏟아내곤 잊고 살아가나봐 내 첫사랑은 첫 사랑니처럼 아파 난 몰라 몰라 이 벌레 같은 사랑 어린 내겐 너무 잔인해 어쩌죠 벌써 타버린 내 맘 Oh No My first love 이 사랑이 날 죽일 건가 봐 어떡해 엄마… 아빠도 이렇게 속썩인 적 있나요 남자는 이렇게 쉬운 여자 맘도 모르나봐 나쁜 놈 전화도 없네 내 첫사랑은 첫 사랑니보다 아파 난 몰라 몰라 이 벌레 같은 사랑 어린 내겐 너무 잔인해 어쩌죠 벌써 타버린 내 맘 Oh No My first love 이 사랑이 날 죽일 건가 봐 어떡해 달콤한 건 한순간이었나 봐 어쩌지 어쩌다 어쩐다 어쩌나 점점 커져가는 내 사랑을 몰라 몰라 자꾸만 보고 싶어 Foolish foolish 바보 같은 내 첫사랑 나 죽을 것 같아 엄마 Oh No My first love 이 사랑이 날 아프게 하네 Love is cold, love is pain, love is fool 이런 첫 사랑은 내겐 너무나도 아파 철없는 내겐 너무나 아파 첫 사랑니보다 [English translation:] Mom, I'm so sorry about yesterday My two eyes were so puffed up I locked my door and didn't take a step outside What do I do? Tears keep falling down. I guess there is no one whose first love lasted in this world I guess everyone has to squat and spill tears And forget as they live on My first love hurts like my first wisdom tooth I don't know, don't know – this bug-like love To a young me, it's too cruel What to do? My heart is already burnt oh no My first love – this love is going to k** me, What to do? Mom… has dad ever made you upset like this? I guess men don't know this easy girl's hearts That jerk – he's not even calling My first love hurts more than my first wisdom tooth I don't know, don't know – this bug-like love To a young me, it's too cruel What to do? My heart is already burnt oh no My first love – this love is going to k** me, What to do? I guess the sweetness was only momentary What to do? How? What to do? About my love that is getting bigger? I don't know, don't know, I keep missing him Foolish foolish – my foolish first love I think I am going to die, mom – oh no My first love – this love is hurting me Love is cold, love is pain, love is fool A first love like this is too painful for me It's too painful for me, who is immature More than my first wisdom tooth