ブングマン is a Top Rated seller trusted by more than twenty thousand Amazon.co.jp customers in Japan. They sell in 文房具・オフィス用品 department from PILOT, コクヨ(Kokuyo), ノーブランド品, キングジム(Kingjim), 三菱鉛筆 and other brands. They offer Prime shipping for the few thousand products they have in stock.
They are a Top 500 Amazon.co.jp seller, ranked 105th overall. They have improved from the 126th position last month.