kumachi (aikawaakeya), houjou shisei, class no daikirai na joshi to kekkon suru koto ni natta., boxtie, absurdres, highres, 1boy, 1girl, arms behind back, bdsm, black dress, blazer, blue eyes, bondage, bound, breasts, crotch rope, dress, frilled dress, frilled shirt, frills, grey hair, jacket, lap pillow, long hair, looking down, lying, necktie, on side, pants, pantyhose, pleated skirt, red necktie, restrained, shibari, shibari under clothes, shirt, skindentation, skirt, small breasts, very long hair, white pantyhose