a_one is a Top Rated seller trusted by more than five thousand Amazon.co.jp customers in Japan. They have been selling on the Amazon.co.jp marketplace since 2011. They offer over ten thousand products.

They are a Top 5000 Amazon.co.jp seller, ranked 2,685th overall. They have improved from the 3,518th position last month. Seller rank is based on the number of positive reviews received during the last 30 days.

a_one business name, phone number, address, and email might be available on their profile on Amazon. For customer service, returns, refunds, and other issues, contact Amazon.co.jp.