Green Tea & Sweets CAFE Osaka Chakai is a cafe in the Tenjinbashi shopping street in Kita Ward, Osaka, near Tenmangu. It serves matcha and sweets, with a matcha self-experience and matcha bingsu as its main items. The self-experience uses Asamiya tea grown without pesticides and matcha ground from tea leaves harvested once in spring. The matcha bingsu comes with ice cream on top.