If it is a sin, where's my existance?

Doko ni mo nai no yo atashi no tomoshibi
Zurui wa...kono mama anata wa shira nai

I'm falling down and down.

Tomadoi setsuna sa
Kurushi sa samishi sa mo
Subete motsurete omowazu
"Aishite iru" nante tsubuyaketara...

If it is a sin, where's my existance?

Anata no tabako no kemuri ga chikaduku
Atashi wo hidoki kyozetsu shite yurusa nai

I'm falling down and down.

Kuchi hatete kiete shimau
Kajitsu no you ni ima mo
Munashiku anata wo omoeba
Omoi hodo toke ochite...

Somebody tell me.
Is this a sin by loving him?
I want you. I need you.
I can't stand it.
Don't know what to do.

Memai warui yume
Mune zawagi obiete iru no
Atashi no kuchibiru ga
Omowazu morashita tsumi wo...
Onegai...
Anata no ude no naka ni wa mada ima mo
Atashi no ibasho ga
Kakusarete iru kara
Nee...
Yurushite...

If it is a sin, where's my existance?