Rule 34 Dev - 1boy 1girl aqua_hair balding bare_shoulders barefoot breasts broken_wall chair closed_eyes desk detached_sleeves fingering futon greyscale hatsune_miku headset hetero highres long_hair monochrome necktie pleated_skirt sashizume_soutarou sitting skirt spot_color thighhighs twintails used_tissue vocaloid|23660233740