YOU SAID:

I have no other friend than you.

INTO JAPANESE

私にはあなた以外に友達はいません。

BACK INTO ENGLISH

I have no friends but you.

INTO JAPANESE

私にはあなた以外に友達がいません。

BACK INTO ENGLISH

I have no friends other than you.

INTO JAPANESE

私にはあなた以外に友達がいません。

BACK INTO ENGLISH

I have no friends other than you.