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Since the seller is unable to solve the issue, please make a claim under the Amazon A-to-z Guarantee.
The Amazon A-to-z Guarantee is a program that covers up to 300,000 yen of the total order amount, including the shipping fee, to ensure our customers safe shopping at Amazon.co.jp. For more information on A-to-z Guarantee program and when to file your claim, click the following link.
http://amazon.co.jp/gp/help/customer/display.html/?nodeId=201443240&ref=blrb_hp_...
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http://amazon.co.jp/gp/help/customer/display.html?nodeId=200135230&ref=blrb_hp_e...
If you need assistance submitting your claim, please feel free to contact us.
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