yamada otonari, yamashiro ren, mato seihei no slave, absurdres, commentary request, highres, 1girl, adapted costume, bed sheet, black skirt, blazer, blush, crossed legs, feet out of frame, hair ribbon, hand in own hair, hand on own knee, hand up, jacket, kneehighs, long hair, long sleeves, looking at viewer, loose socks, miniskirt, neck ribbon, open mouth, pleated skirt, purple background, purple eyes, purple hair, purple jacket, red ribbon, ribbon, skirt, socks, solo, thighs, white socks