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