YOU SAID:

My best friend is a queen and sister slays

INTO JAPANESE

私の親友は女王と妹を殺害

BACK INTO ENGLISH

Kill the Queen and sister is my best friend

INTO JAPANESE

女王を殺すために、妹は私の親友

BACK INTO ENGLISH

To kill the Queen, my sister is my best friend

INTO JAPANESE

女王を殺すためには、私の妹は私の親友

BACK INTO ENGLISH

To kill the Queen, my sister is my best friend