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