They have been selling on the Amazon.co.jp marketplace since 2025. They offer several dozen products.

They are a Top 5000 Amazon.co.jp seller, ranked 2,010th overall. They have improved from the 17,380th position last month. Seller rank is based on the number of positive reviews received during the last 30 days.

Masagun-JP 専門店 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.