QTuo is a Top Rated seller trusted by more than ten thousand Amazon.co.jp customers in Japan. They sell in パソコン・周辺機器, ホーム＆キッチン and 家電＆カメラ departments from Qtuo, Homasy, OMorc, Qtop, Adorner and other brands. They offer Prime shipping for the several dozen products they have in stock.
They are a Top 500 Amazon.co.jp seller, ranked 104th overall. However a month ago they were ranked 79th.