happykai is trusted by more than four thousand Amazon.co.jp customers in Japan. They have been selling on the Amazon.co.jp marketplace since 2019. They offer a few thousand products.

They are a Top 10000 Amazon.co.jp seller, ranked 5,177th overall. They have improved from the 5,930th position last month. Seller rank is based on the number of positive reviews received during the last 30 days.

happykai 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.