Masterpiece, best quality, highly detailed, realistic, 30-year-old woman, strict teacher, adult woman, mature female, sad, teary eyes, frown, voluptuous curvy body, large breasts, white clothing, white outfit, blazer, deep V-cut neckline on her top, deep cleavage cut, long sleeves, sheer fabric on her top, soft breast shape under clothes, nipples covered, few buttons open, cleavage, she is standing upright, full body standing pose, inside a bedroom, bed and furniture visible, indoor, moonlight, cool blue nocturnal light, soft pale highlights on skin, wristwatch, gold necklace, sexy pose, at the blackboard in school, full body view, pulling her skirt up one leg.