Neul igijeogin sarange sumaneun saramdeulgwa bye bye
Neul hagibodaneun batgimanhaetdeon gojipbultong nannan
Geurae sarangi mwonji hanabuteo yeolkkaji
Nal byeonhage haetji neomani nal byeonhagehaetji
Day by day kkumedo neoman boigo
Day by day kkumedo neoman bureugo
Day by day kkumedo neoman saranghae
Day by day

Naneunya monnani neoege ppajin nan monnani
Niga nal guhaejwo yeongwonhi neoman saranghalkkeoya Wooh~
Naneunya monnani neoege banhan nan monnani
Ontong meoritsoge ni eolgulman tteooreuneun nan
Naneunya monnani

Nan geudael wihan 5bundaegijo geudaega bureumyeon eodideun go
Meoributeo balkkeutkkaji neol jikil immureuljinin nannan
Geureon sarangi mwonji hanabuteo yeolkkaji
Ne meoributeo balkkeutkkaji modeunge da areumdawo
Day by day mwolhaedo neoman boigo
Day by day eodideun neoman bureugo
Day by day onjongil neoman saranghae
Day by day

Naneunya monnani neoege ppajin nan monnani
Niga nal guhaejwo yeongwonhi neoman saranghalkkeoya
Naneunya monnani neoege banhan nan monnani
Ontong meoritsoge ni eolgulman tteooreuneun nan
Naneunya monnani

Ijeneun dangdanghi meotjin namjaro negyeoteseo seogo sipeo nan
Hanabuteo yeolgaji ni mame ssokdeulgo sipeo da
Museun mari pillyohae namjaneun ipboda haengdongi meonjeodoe
Hanabuteo yeolgaji my lady fristya

Naneunya monnani ni apeseomyeon monnani
Niga nal jabajwo monnado neoman barabojana
Naneunya monnani sarangi pillyohan monnani
Eotteon namjaboda neohanaman saranghaneun nan
Neomanui monnani

늘 이기적인 사랑에 수많은 사람들과 bye bye
늘 하기보다는 받기만했던 고집불통 난난
그래 사랑이 뭔지 하나부터 열까지
날 변하게 했지 너만이 날 변하게했지
Day by day 꿈에도 너만 보이고
Day by day 꿈에도 너만 부르고
Day by day 꿈에도 너만 사랑해
Day by day

나는야 못난이 너에게 빠진 난 못난이
니가 날 구해줘 영원히 너만 사랑할꺼야 Wooh~
나는야 못난이 너에게 반한 난 못난이
온통 머릿속에 니 얼굴만 떠오르는 난
나는야 못난이

난 그댈 위한 5분대기조 그대가 부르면 어디든 go
머리부터 발끝까지 널 지킬 임무를지닌 난난
그런 사랑이 뭔지 하나부터 열까지
네 머리부터 발끝까지 모든게 다 아름다워
Day by day 뭘해도 너만 보이고
Day by day 어디든 너만 부르고
Day by day 온종일 너만 사랑해
Day by day

나는야 못난이 너에게 빠진 난 못난이
니가 날 구해줘 영원히 너만 사랑할꺼야
나는야 못난이 너에게 반한 난 못난이
온통 머릿속에 니 얼굴만 떠오르는 난
나는야 못난이

이제는 당당히 멋진 남자로 네곁에서 서고 싶어 난
하나부터 열가지 니 맘에 쏙들고 싶어 다
무슨 말이 필요해 남자는 입보다 행동이 먼저되
하나부터 열가지 my lady frist야

나는야 못난이 니 앞에서면 못난이
니가 날 잡아줘 못나도 너만 바라보잖아
나는야 못난이 사랑이 필요한 못난이
어떤 남자보다 너하나만 사랑하는 난
너만의 못난이

Always in selfish love and with so many people, bye bye
Always receiving than giving, stubborn I am, I am
What is love? From one to ten
You changed me. Only you changed me.
Day by day, even in dreams, I only see you
Day by day, even in dreams, I only call you
Day by day, even in dreams, I only love you

I am a fool, I am a fool fallen for you
You have to save me. I will only love you forever
I am a fool, I am a fool mesmerized by you
I can only picture your face in my head
I am a fool

I am a 911 for you. Whene you call me, where ever I go
With the mission to protect you from head to toe, I am I am
What is this kind of love? From one to ten
From your head to toe, everything is beautiful

Day by day, whatever I do I only see you
Day by day, where ever I only call you
Day by day, all day I only love you
Day by day

I am a fool, I am a fool fallen for you
You have to save me. I will only love you forever.
I am a fool, I am a fool mesmerized by you
I can only picture your face in my head
I am a fool

From now on I want to proudly stand by your side as a man
From one to ten, I want to please you
What's the use for words? A man acts before he speaks
From one to ten, it's my lady first

I am a fool, I am a fool infront of you
You have to hold me. Although I am a fool, I only look at you
I am a fool, I am a fool in need of love
I, who love you more than any other men, am a fool just for you