Professor Nyanya (Blue Archive), vibrant full color illustration, long flowing purple hair slightly messy, horn accessory tilted, seductive expression with half-lidded eyes looking directly at viewer, teasing smile, flushed cheeks, detailed school uniform partially removed, blouse completely unbuttoned but still on shoulders, massive breasts fully exposed with pink nipples hard, cleavage dripping with sweat, skirt pulled up to waist revealing black lace panties and thigh-high stockings with garter straps, sitting on desk with legs spread wide open facing viewer, one hand squeezing her own breast, other hand pulling panties aside exposing herself, fingers just touching, wetness visible on inner thighs, uniform still partially on creating contrast, delicate cel-shaded coloring, anime style, clean lines, inviting provocative pose, eye contact while exposing, professional rendering, slutty schoolgirl aesthetic, explicit but with uniform elements, high-quality illustration, soft pink gradient background, 8k, masterpiece.