((Young woman)), color photorealistic image, high resolution, ((dark blue Japanese school uniform, seifuku, tight-fitting)), ((flat breast)), short bob haircut, slender neck with a black choker, pale skin covered with a blush, tie loosened, fabric tightly clinging to flat breasts, short pleated skirt hiked up and gathered at the waist, seductive pose, lying on her back on crumpled white silk sheets, legs bent at the knees and spread wide, thighs pulled back towards her chest in the shape of a deep letter M, completely exposing intimate parts, pussy spread wide and oozing with lubricant, hips raised high off the bed in a strong curve of the spine in intense sexual languor, lower back deeply arched upward, creating a spectacular rise of the breasts, pelvis tilted forward, shows a shiny vulva and a tightly clenched anus, into which a huge shiny anal plug is inserted, looking straight at the viewer, an embarrassed expression on her face, ((she passionately squeezes and caresses her breasts through the uniform blouse, twisting, squeezing her nipples)), eyes wide open and shining. Plump pink lips are parted, making a sound bordering on a moan, the body trembles slightly from the pressure of the butt plug, thighs are tense, hands grip the edges of the pillows until the knuckles are white, an erotic aura of youthful taboo temptation, excessively protruding buttocks, a pleading pose, with an unrelenting close-up of powerful, arched, tightly clenched, strongly raised, elastic buttocks with a plug, an intimate atmosphere