YOU SAID:
qwertyyyyuiopasdfghjkl;zxcvbnm
INTO JAPANESE
qwertyyyyuiopasdfghjkl; zxcvbnm
BACK INTO ENGLISH
qwertyyyyuiopasdfghjkl; zxcvbnm
INTO JAPANESE
qwertyyyyuiopasdfghjkl; zxcvbnm
BACK INTO ENGLISH
qwertyyyyuiopasdfghjkl; zxcvbnm
You've done this before, haven't you.