TXT – When The Day Comes [OST “Resident Playbook”]. Lyrics Meaning: A Love Letter to a Future Reunion

Ever look back at a past relationship and just think, “If only I knew then what I know now”? It’s that bittersweet feeling, right? You remember the good times, the innocent moments, but they’re tinged with the slight sting of regret over things you said, or didn’t say, because you were just too young and clueless to handle it all. It’s a universal feeling, a growing pain that so many of us go through. Well, what if a song could perfectly bottle up that exact emotion—the longing, the regret, and the faint, flickering hope for a second chance? Get ready, because we’re about to dive deep into a track that does just that, painting a vivid story of a love that was right, but maybe the timing was all wrong.

Diving into the Heart of “When The Day Comes” by TXT

This song by TOMORROW X TOGETHER isn’t just a sad breakup tune; it’s a poignant narrative of self-reflection. It’s a story about a boy looking in the rearview mirror, finally understanding the mistakes he made in his first, clumsy attempt at love. He’s not just missing the person; he’s missing the chance to have done things better.

The “Bad Boy” Confession

The song kicks off with a raw, honest admission. The narrator paints himself as the “bad boy” and her as the “good girl.” But this isn’t your typical cliché. Here, “bad boy” doesn’t mean rebellious or cool; it means immature and selfish. He admits that his love was blind and his clumsy heart led the way, causing so much pain. It’s a powerful opening that sets the stage for his regret.

Now I know I’m a bad boy, and I know you’re a good girl
Now I know I’m a bad boy, and I know you’re a good girl
사랑에 먼 내 눈이 서툰 마음만 앞세워
My eyes, blind to love, only put my clumsy heart forward
수많은 상처를 주고 많이도 널 울렸지
I gave you countless scars and made you cry so much
마음대로 안 돼 널 사랑하는 게
I can’t control loving you

He’s owning up to it all. He knows he messed up, that he hurt her, and that painful awareness is the fuel for the rest of the song’s emotional journey.

A Wish to Turn Back Time

The song then drifts into a beautiful, nostalgic memory. He’s thinking about their younger days, calling it an “unripe first love.” You can almost picture it: two young kids, figuring things out, full of big emotions they don’t yet know how to navigate. The music itself feels like a wistful sigh as he hopes this very song could act like a time machine, taking them back to that simpler, albeit flawed, time.

젊은 날의 우리 둘
The two of us in our younger days
설익은 내 첫사랑의 기억
The memory of my unripe first love
이 노래가 우리를
I hope this song
그때로 다시 돌려줄 수 있길

Can take us back to that time

Lyrics: "When The Day Comes" by TXT

TXT (Tomorrow X Together) – When The Day Comes (그날이 오면) [from “Resident Playbook” soundtrack] [ENGLISH Translation]

I pray this isn’t the end.
I want to hold onto this night.
I can’t let you go like this,
Because nothing can separate us.
Now I know I’m a bad boy, and I know you’re a good girl.
My eyes, blinded by love, only pushed forward my clumsy heart.
I gave you so many scars and made you cry so much.
Loving you isn’t going the way I want.

The two of us in our younger days,
The memory of my unripe first love.
I hope this song can
Take us back to that time again.

When that day comes, I’ll tell you then,
That my whole life was you.
When that day, the end of longing, comes,
I’ll run to you.

I will be missin’ you, I will be missin’ you.
If that day comes like destiny,
I will be missin’ you, I will be missin’ you.
I hope we can meet again.
I wish and wish again.

We met too early,
Too young to know love.
There were still so many things we didn’t know,
Don’t know how to love.
The things I didn’t know back then,
I understand them only now.
If I had known then what I know now,
Would things have been a little different?

Yeah, we were a bit young back then,
Everything was difficult, like it was our first time.
One little boy and a little girl.
I miss us from back then so much (If I could turn back time).
I miss it (I wanna turn back time).
I miss seeing you so much.

When that day comes, I’ll tell you then,
That my whole life was you.
When that day, the end of longing, comes,
I’ll run to you.

I will be missin’ you, I will be missin’ you.
If that day comes like destiny,
I will be missin’ you, I will be missin’ you.
I hope we can meet again.
I wish and wish again.

If my earnest wish
Comes true like a miracle,
If that day comes
When I can hug you again…

I will be missin’ you, I will be missin’ you.
If that day comes like destiny,
I will be missin’ you, I will be missin’ you.
I hope we can go back to that time.

When that day comes, I’ll tell you then,
That my whole life was you.
When that day, the end of longing, comes,
I’ll run to you.

I will be missin’ you, I will be missin’ you.
If that day comes like destiny,
I will be missin’ you, I will be missin’ you.
I hope we can meet again.
I wish and wish again.

TXT (Tomorrow X Together) – When The Day Comes (그날이 오면) [from “Resident Playbook” soundtrack] [ROMAJI Lyric]

kkeuchi anigil gidohae
i bameul butjapgo sipeojyeo
idaeroneun neol mot bonae
mueotdo uril gallanohgeun sun eopseunikka
Now I know I’m a bad boy, and I know you’re a good girl
sarange meon nae nuni seotun maeumman apsewo
sumaneun sangcheoreul jugo manido neol ullyeotji
maeumdaero an dwae neol saranghaneun ge

jeolmeun narui uri dul
seorigeun nae cheotsarangui gieok
i noraega urireul
geuttaero dasi dollyeojul su itgil

geunari omyeon geuttaen malhalge
nae saengae jeonbuneun neoyeotdago
geuriumui kkeut geunari omyeon
na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
uri dasi mannal su itgil
barago tto barae

urin neomu iljjik mannan geot gatdago
Too young to know love
ajik moreuneun geotdeuri neomu mantago
Don’t know how to love
geuttaen mollatdeon
geotdeuri ijeseoya ihaedwae
jigeum algo inneun geotdeul
geuttae aratdeoramyeon jogeumeun dallajyeosseulkka

geurae geuttaen uri jom eoryeosseotji
modeun ge cheoeumcheoreom eoryeowotji
One little boy and a little girl
geuttaeui uriga neomudo geuriwo (If I could turn back time)
geuriwo (I wanna turn back time)
nega neomu bogo sipeo

geunari omyeon geuttaen malhalge
nae saengae jeonbuneun neoyeotdago
geuriumui kkeut geunari omyeon
na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
uri dasi mannal su itgil
barago tto barae

ganjeolhaetdeon naui barami
gijeokcheoreom irwojindamyeon
neol dasi anajul su inneun
geunari ondamyeon

I will be missin’ you, I will be missin’ you
unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
geuttaero doragal su itgil

geunari omyeon geuttaen malhalge
nae saengae jeonbuneun neoyeotdago
geuriumui kkeut geunari omyeon
na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
uri dasi mannal su itgil
barago tto barae

TXT (Tomorrow X Together) – When The Day Comes (그날이 오면) [from “Resident Playbook” soundtrack] [ORIGINAL Lyric]

TXT – When The Day Comes [from “Resident Playbook” soundtrack] [ROMAJI Lyric]

Kkeuchi anigil gidohae
I bameul butjapgo sipeojyeo
Idaeroneun neol mot bonae
Mueotdo uril gallanoeul sun eopseunikka
Now I know I’m a bad boy, and I know you’re a good girl
Sarange meon nae nuni seotun maeumman apsewo
Sumaneun sangcheoreul jugo manido neol ullyeotji
Maeumdaero an dwae neol saranghaneun ge

Jeoleun narui uri dul
Seorigeun nae cheotsarangui gieok
I noraega urireul
Geuttaero dasi dollyeojul su itgil

Geunari omyeon geuttaen malhalge
Nae saengae jeonbuneun neoyeotdago
Geuriumui kkeut geunari omyeon
Na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
Unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
Uri dasi mannal su itgil
Barago tto barae

Urin neomu iljjik mannan geot gatdago
Too young to know love
Ajik moreuneun geotdeuri neomu mantago
Don’t know how to love
Geuttaen mollatdeon
Geotdeuri ijeseoya ihaedwae
Jigeum algo inneun geotdeul
Geuttae aratdeoramyeon jogeumeun dallajyeosseulkka

Geurae geuttaen uri jom eoryeosseotji
Modeun ge cheoeumcheoreom eoryeowotji
One little boy and a little girl
Geuttaeui uriga neomudo geuriwo (If I could turn back time)
Geuriwo (I wanna turn back time)
Nega neomu bogo sipeo

Geunari omyeon geuttaen malhalge
Nae saengae jeonbuneun neoyeotdago
Geuriumui kkeut geunari omyeon
Na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
Unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
Uri dasi mannal su itgil
Barago tto barae

Ganjeolhaetdeon naui barami
Gijeokcheoreom irwojindamyeon
Neol dasi anajul su inneun
Geunari ondamyeon

I will be missin’ you, I will be missin’ you
Unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
Geuttaero doragal su itgil

Geunari omyeon geuttaen malhalge
Nae saengae jeonbuneun neoyeotdago
Geuriumui kkeut geunari omyeon
Na dallyeogalge neoege

I will be missin’ you, I will be missin’ you
Unmyeongcheoreom geunari ondamyeon
I will be missin’ you, I will be missin’ you
Uri dasi mannal su itgil
Barago tto barae

TXT – When The Day Comes [from “Resident Playbook” soundtrack] [KOREAN Lyric]

끝이 아니길 기도해
이 밤을 붙잡고 싶어져
이대로는 널 못 보내
무엇도 우릴 갈라놓을 순 없으니까
Now I know I’m a bad boy, and I know you’re a good girl
사랑에 먼 내 눈이 서툰 마음만 앞세워
수많은 상처를 주고 많이도 널 울렸지
마음대로 안 돼 널 사랑하는 게

젊은 날의 우리 둘
설익은 내 첫사랑의 기억
이 노래가 우리를
그때로 다시 돌려줄 수 있길

그날이 오면 그땐 말할게
내 생애 전부는 너였다고
그리움의 끝 그날이 오면
나 달려갈게 너에게

I will be missin’ you, I will be missin’ you
운명처럼 그날이 온다면
I will be missin’ you, I will be missin’ you
우리 다시 만날 수 있길
바라고 또 바래

우린 너무 일찍 만난 것 같다고
Too young to know love
아직 모르는 것들이 너무 많다고
Don’t know how to love
그땐 몰랐던
것들이 이제서야 이해돼
지금 알고 있는 것들
그때 알았더라면 조금은 달라졌을까

그래 그땐 우리 좀 어렸었지
모든 게 처음처럼 어려웠지
One little boy and a little girl
그때의 우리가 너무도 그리워 (If I could turn back time)
그리워 (I wanna turn back time)
네가 너무 보고 싶어

그날이 오면 그땐 말할게
내 생애 전부는 너였다고
그리움의 끝 그날이 오면
나 달려갈게 너에게

I will be missin’ you, I will be missin’ you
운명처럼 그날이 온다면
I will be missin’ you, I will be missin’ you
우리 다시 만날 수 있길
바라고 또 바래

간절했던 나의 바람이
기적처럼 이뤄진다면
널 다시 안아줄 수 있는
그날이 온다면

I will be missin’ you, I will be missin’ you
운명처럼 그날이 온다면
I will be missin’ you, I will be missin’ you
그때로 돌아갈 수 있길

그날이 오면 그땐 말할게
내 생애 전부는 너였다고
그리움의 끝 그날이 오면
나 달려갈게 너에게

I will be missin’ you, I will be missin’ you
운명처럼 그날이 온다면
I will be missin’ you, I will be missin’ you
우리 다시 만날 수 있길
바라고 또 바래

The Promise in the Chorus: “When That Day Comes”

And then we hit the core message of the song. The chorus is not just a lament; it’s a powerful promise. It’s a declaration of what he will do if he ever gets another chance. This “day” he sings about is a hypothetical, almost mythical future moment where fate allows them to meet again. It’s a day he’s pinning all his hopes on.

그날이 오면 그땐 말할게
When that day comes, I’ll tell you then
내 생애 전부는 너였다고
That you were my everything in life
그리움의 끝 그날이 오면
When the day comes at the end of this longing

나 달려갈게 너에게
I will run to you

Chills, right? The image of him literally running to her once the longing is over is so cinematic and heartfelt. He’s not just going to apologize; he’s going to tell her she was his entire world. It’s the grand confession he was too young and foolish to make back then.

The Painful Realization: “Too Young to Know Love”

The second verse is where the self-awareness really hits hard. He pinpoints the exact reason for their downfall: they were simply too young. It’s the classic tragedy of meeting the right person at the wrong time. He admits they didn’t know how to love properly because there was so much they hadn’t experienced yet. This part feels incredibly raw and relatable.

우린 너무 일찍 만난 것 같다고
I think we met too early
Too young to know love
Too young to know love
아직 모르는 것들이 너무 많다고
There were too many things we still didn’t know
Don’t know how to love
Don’t know how to love

He’s haunted by the “what ifs.” If only he knew then what he understands now, maybe, just maybe, things could have been different. It’s a mature reflection born from painful hindsight.

Beyond the sadness and regret, “When The Day Comes” carries a beautiful message of hope and growth. It teaches us that even if a relationship ends because of immaturity, the love itself wasn’t invalid. The song validates those intense first-love feelings while also showing that true growth comes from understanding our past mistakes. It’s a reminder that it’s okay to look back with longing, as long as we carry the lessons forward. The hope for “that day” isn’t just about getting the girl back; it’s about the hope of becoming a person worthy of that second chance.

Ultimately, “When The Day Comes” is a story of a love put on pause by youth, a heartfelt apology, and a desperate, hopeful prayer for a future reunion. It captures that unique ache of first love and regret with stunning honesty. The mix of nostalgia, accountability, and unwavering hope makes it a truly special track. What do you think? Does this song remind you of a specific memory, or do you interpret the meaning of “that day” differently? I’d love to hear your take on it!

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