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