A full body portrait shot from a medium angle featuring a plump adult woman with a round face and long, wavy black hair, wearing under-rim frame glasses, standing at the front of a classroom. She is dressed in a sleeveless blouse, a leather skirt with a side slit, black garter stockings, and pin heels. She is facing the blackboard, actively writing complex mathematical and chemical formulas; her right hand grips a piece of chalk while her left hand holds a textbook against her side. Her right arm is raised, naturally exposing her armpit which shows subtle signs of perspiration, extremely fine skin pores, a light, uneven natural darkness, and faint remnants of shaving marks, all rendered with realistic skin texture and soft shadowing. In the background, students are seated at their desks, facing the blackboard in a traditional classroom setting. The lighting is bright and natural, utilizing a realistic anime illustration style with a clean yet detailed atmosphere and a soft color palette.
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