•  If you have User Name
  ※In case you can't use the registered email address, please check "If you lost both User Name and Password" below.
  ◆If you have the account since before April 2010, please click here.
  Please click "パスワードを忘れましたか？".
  ◆If you have the account since after April 2010, please click here. 
  Please click "パスワードを忘れた場合 / Forgot password?".
  
  
• If you lost both User Name and Password
  Please send the form here. If we found the corresponding account, we issue the new login information.