1girl, 1boy, facesitting, sitting on face, back view, profile, cross-legged, dominant female, mini crop top t-shirt, underboob, submissive male, low angle view, depth of field, detailed facial expressions, thigh-high stockings, red pleated skirt, masterwork, highly aesthetic, flat chest, skirt, long red hair, blue eyes, smug, grinning, blushing, dynamic angle, detailed background, shoving her anus into his mouth, doing feces on his face, (feces coming from her anus:1.3), (feces:1.3), diarrhea, feces full of undigested food, (shitting directly inside the boy mouth), the boy is eating all her shit, (the girl is depositing all her feces inside the boy mouth:1.3), big thighs, big ass, wide hips, narrow waist