score_9,score_8_up,score_7_up, masterpiece,best 1boy, 1goblin, small ugly goblin, green skin, pointy ears, sharp teeth, grinning lewdly, tongue out, short stature, 1girl, tall mature female teacher, extremely voluptuous, massive heavy breasts pressed against floor, huge plump juicy ass raised high, thick massive thighs, short blonde hair, disheveled clothing, white blouse half-open, black skirt pulled up, prone bone position, face down ass up on wooden floor, goblin straddling riding on top of her enormous ass, goblin feet dangling suspended in air, goblin legs spread wide gripping her fat buttocks, vaginal penetration from behind, huge size difference, goblin dwarfed by her massive hips and ass, ahegao, rolled eyes, tongue lolling out, drooling heavily, blushing, ecstatic expression, sweat everywhere, fluids dripping, cum overflowing, squirting, shiny wet skin, bright indoor bedroom or classroom background, soft lighting, highly detailed, explicit nsfw, realistic textures, anime style，(size difference, giantess and tiny boy:1.2)，Side View Angle