YOU SAID:

You are the reason to smile

INTO JAPANESE

あなたが微笑する理由です。

BACK INTO ENGLISH

That's why you have to smile.

INTO JAPANESE

だからこそ笑顔を。

BACK INTO ENGLISH

That's why the smile.

INTO JAPANESE

だからこそ、笑顔。

BACK INTO ENGLISH

That's why the smile.