A coin laundry on Yakushima Island

Japan has this thing I really love: micro businesses with a specific kind of charm. The kind that seem driven by passion or sheer quirkiness than a rigid business plan. One experience that always comes to mind was someone's hustle of selling specialty hand-drip coffee on the side of a residential alleyway in Kamakura. I almost always stumble across it by accident and I'm usually left with a…