Romanization by beatuscorner via thelapan (hangul lyric cr to: Melon) 

nan ajik hanbeondo
saranghanda motaesseo
jigeumkkaji ni sarangeul
nan geojiseuro badasseo
ni sarangeul ni maeumeul

ajikdo nae mameul
yongseohalsuga eobseo
niga tteonan jigeumeya
nae sarangingeol arasseo
nae sarangeul nae maeumeul

saranghae saranghae saranghae
saranghandanmallya
nae jalmosingeotdo nae miryeoningeotdo
saranghal jagyeok eomneungeotdo aljiman

mianhae mianhae
mianhadan malbakken
halmari eomneun najiman
huhoehago geuriwohaesseo
geu sarangeul geu maeumeul

saranghae saranghae saranghae
sumi meomchulttaekkaji
nae jalmosirado nae miryeonirado
saranghaljagyeok eopdahaedo

saranghae saranghae saranghae
saranghae saranghae saranghae
doraolsueopgenni
nae jalmosirado nae miryeonirado
na yongseohalsu eopdahaedo saranghae

English Translation Lyric (cr to: popgasa)

I haven’t told you I love you yet
Up until now, I took your love as a lie
Your love, your heart

I still can’t forgive my heart
Now that you’ve left, I realize that it was love
My love, my heart

I love you, I love you, I love you, I love you
I know it’s my fault, I know it’s my foolishness
I know that I don’t deserve to love

I’m sorry, I’m sorry, can’t say anything else but I’m sorry
I have nothing more to say but
I regret and I long for it, that love, that heart

I love you, I love you, I love you, I love you
I know it’s my fault, I know it’s my foolishness
I know that I don’t deserve to love

I love you, I love you, I love you

I love you, I love you, I love you, can’t [bad word] back to me?
Even if it’s my fault, even if it’s my foolishness

Even if you can’t forgive me, I love you