Another version of the “Bye Bye Bye” lyrics
from musictology.wordpress.com:
It’s my only love, but how why do you only get to take it?
It’s my only memory, but who do you think you are by taking it away like that?

You’re standing in front of me as if you’re about to collapse but…
I’m the one who’s about to collapse so I hold on to you.

Don’t leave, please don’t leave from my side.
Tears won’t stop dripping down.

I’m in love with you forever
I’m in love with you forever
Why why why why why

I’m in love with you forever
I’m in love with you forever
Bye bye bye good bye

I’ll never say “It’s over once you break-up”.
I’ll believe that if you wait patiently enough, it will come to you/

I’ll never say “I’ll be fine without you”
Because I feel uneasy since you might really forget about me…

I’m in love, still in love.
Please wait, my feeling towards you only grows bigger.

I’m in love with you forever
I’m in love with you forever
Why why why why why

I’m in love with you forever
I’m in love with you forever
Bye bye bye good bye

I would cry and then I would try to suppress the sadness
And I would hear your warm voice inside of my head.
I never once thought that you aren’t by my side so…
What would I do without you?

I’m in love with you forever
I’m in love with you forever
Why why why why why

I’m in love with you forever
I’m in love with you forever
Bye bye bye good bye

*The earlier version has been kindly  translated by Crazsri here.