(Masterpiece) Photo-realistic portrayal of a sexy stunningly beautiful

(Masterpiece) Photo-realistic portrayal of a sexy stunningly beautiful (18-year-old woman) exuding confidence and joy in a (summer cotton dress uniform) with a dazzling smile and an elegant (ponytail). Small breasts, flat chest. Happy, dynamic. Radiant smile.

(nsfw:1.5),(worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, backlight,(ugly:1.331), (duplicate:1.331), (morbid:1.21), (mutilated:1.21), (tranny:1.331), deformed eyes, deformed lips, mutated hands, (poorly drawn hands:1.331), blurry, (bad anatomy:1.21), (bad proportions:1.331), extra limbs, extra legs, extra arms, extra hands, (more than 2 nipples:1.331), (missing arms:1.331), (extra legs:1.331), (fused fingers:1.61051), (too many fingers:1.61051), (unclear eyes:1.331), bad hands, missing fingers, extra digit, (futa:1.1), bad body, pubic hair, glans, easynegative, three feet, four feet, sun, sun's rays, sunlight,