carnelian, natsuki junko, revolver (game), game cg, 1boy, 1girl, arched back, arm support, bare shoulders, blue hair, blurry, blush, bra, bra lift, breasts, breasts out, brown hair, buttons, chair, classroom, closed eyes, clothed sex, clothes lift, depth of field, desk, from side, girl on top, head back, hetero, indoors, kneehighs, large breasts, leaning back, legs, legs on shoulders, legs up, loose socks, mature female, medium breasts, moaning, navel, nipples, off shoulder, open clothes, open mouth, open shirt, pleated skirt, puffy nipples, raised eyebrows, sailor, school, school desk, school uniform, serafuku, sex, shirt, shirt lift, short hair, short sleeves, sitting, skirt, socks, solo focus, spiked hair, sports bra, sports bra lift, straddling, underwear, upright straddle, vaginal, wince, yellow bra