YOU SAID:

emma rozek is my best friend

INTO JAPANESE

エマ rozek 私の親友です。

BACK INTO ENGLISH

It is a close friend of Emma rozek I.

INTO JAPANESE

Rozek エマの親友は私。

BACK INTO ENGLISH

Rozek Emma's best friend is me.

INTO JAPANESE

Rozek エマの親友は、私です。

BACK INTO ENGLISH

Rozek Emma's best friend is me.