YOU SAID:
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en
INTO JAPANESE
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en
BACK INTO ENGLISH
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en
INTO JAPANESE
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en
BACK INTO ENGLISH
https://fonts.googleapis.com/css?family=Open+Sans:300,400,600,700&lang=en
You've done this before, haven't you.