YOU SAID:

$username = 1' or '1' = '1')) LIMIT 1/*

INTO JAPANESE

$ username = 1 'または' 1 '=' 1 '））LIMIT 1 / *

BACK INTO ENGLISH

$ username = 1 'or' 1 '=' 1 '))) LIMIT 1 / *

INTO JAPANESE

$ username = 1 'または' 1 '=' 1 '）））LIMIT 1 / *

BACK INTO ENGLISH

$ username = 1 'or' 1 '=' 1 '))) LIMIT 1 / *