Question: What is Shigure Ui ? Me: ShigureUi() is the function, for example... ShigureUi(loli) = 9-year-old loli Shigure Ui. ShigureUi(shoojo) = 18-year-old girl Shigure Ui. ShigureUi(os) = Uindows, full name is "Ui-named Disk Operating System". ShigureUi(ui) = shigure.ui, the user interface of Uindows.