YOU SAID:
You've become the only girl I want to see
INTO JAPANESE
あなたは私が見たい唯一の女の子になった
BACK INTO ENGLISH
You became the only girl I want to see
INTO JAPANESE
あなたが私が見たい唯一の女の子になった
BACK INTO ENGLISH
You became the only girl I want to see
That didn't even make that much sense in English.