むげん堂 【土日祝日も毎日発送！】 is a Top Rated seller trusted by more than ten thousand Amazon.co.jp customers in Japan. They sell 高橋書店, 池田書店, 大和書房, 東洋経済新報社, 河出書房新社 and other brands products. They have few thousand products in stock.
They are a Top 500 Amazon.co.jp seller, ranked 103rd overall. However a month ago they were ranked 89th.