YOU SAID:
I'm in love with my best friend's sister
INTO JAPANESE
私は私の親友の妹と恋をしています
BACK INTO ENGLISH
I am in love with my best friend's sister
INTO JAPANESE
私は私の親友の妹と恋をしています
BACK INTO ENGLISH
I am in love with my best friend's sister
Come on, you can do better than that.