YOU SAID:

You could kill all the girls who are prettier than me.

INTO JAPANESE

私より美しい女の子を皆殺しにしてもいい

BACK INTO ENGLISH

You can kill all the girls who are prettier than me.

INTO JAPANESE

私より美しい女の子を皆殺しにしてもいい

BACK INTO ENGLISH

You can kill all the girls who are prettier than me.