YOU SAID:

The only one that can come over if they have any

INTO JAPANESE

それらがあればやってくることができる唯一の

BACK INTO ENGLISH

The only thing that can come if you have them

INTO JAPANESE

あなたがそれらを持っているなら来ることができる唯一のこと

BACK INTO ENGLISH

The only thing that can come if you have them