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