High resolution, High level image quality, high detail, masterpiece, rough skin, anatomically correct, sharp, 
classroom background, 
((japanese mature, 50 years old)), alone, ((facial wrinkles)), good shape big breasts, Straight light brown hair that reaches to the shoulders, 
(((write on the blackboard,))), Staring straight ahead with an open mouth and a tired face, 
gray blazer, white blouse, white skirt, 
Woman in white dress standing in front of a blackboard with chinese writing