tsukiyo no ribbon, ogawa miku, wingman, 1980s (style), 1boy, 1girl, arm support, blush, bottomless, breasts, closed eyes, clothes lift, grabbing another's breast, grabbing from behind, green hair, groping, hetero, leaning forward, navel, neckerchief, nipples, no bra, no panties, oldschool, parted lips, penis, pussy, retro artstyle, reverse cowgirl position, school uniform, sex, shirt lift, sketch, small breasts, solo focus, spread legs, straddling, uncensored, vaginal, white background