Dear YUKO YADA,
Thank you for reaching out. We have checked your order in our system. Your order was processed by Japan post on December 28. Your shipping method choice is Surface (sea) mail. The estimated time for receiving is about 2 - 3 months. It will be counted as December to January is 1 month, January to February is 1 month and February to March. Therefore, the package will come to you within this month to the beginning of April. Hope you could wait for it. If after 3 months, you have not received the package yet, we will work with Japan post to solve your case. Thank you so much!