Professor Nyanya (Blue Archive), vibrant full color illustration, long flowing soft wavy hair in light purple completely tangled wet with sweat, distinctive horn-like head accessory fallen on floor, smug teasing expression with playful smirk and half-lidded eyes, deep flushed cheeks, tongue out licking lips with drool dripping, detailed school uniform completely discarded on floor, completely naked, massive breasts fully exposed with pink nipples hard and wet, sweat glistening on skin, slim waist, wide hips, thick thighs, lying on desk on her back, legs spread extremely wide open, knees bent back to shoulders, completely exposed, both hands between thighs, multiple fingers buried deep inside herself knuckles deep, fingers moving fast, wetness pouring out dripping onto desk, other hand squeezing her own breast brutally hard leaving red marks, pinching nipple, head thrown back, eyes half-lidded looking at viewer with arrogant mocking expression even while moaning, mouth open gasping, drool running down chin, sweat all over body, dramatic studio lighting with intense highlights on wet skin and curves, intricate wet hair strands messy stuck to face, come-hither mocking gaze even in pleasure, bratty overconfident attitude while losing control, cute yet provocatively arrogant charm, high-quality character illustration, seamless gradient background in soft pink, 8k resolution, maximum detail, ultra high quality.