Rule 34 Dev - 1boy 1girl 1girl areola arm_behind_head bed blush bottomless breasts breasts_apart breasts_out_of_clothes brown_hair censored closed_eyes closed_mouth clothed_female_nude_male clothed_sex day female_focus ginhaha groin heero indoors insertion leg_lift long_hair looking_at_viewer loose_necktie lying makise_kurisu male medium_breasts mosaic_censoring naked_shirt navel neck_tie nipples no_bra nopan nude okabe_rintarou on_bed on_side open_clothes open_shirt outstretched_arm penetration penis pussy red_necktie red_neckwear sex shirt solo_focus spooning steins;gate toes vaginal vaginal_insertion white_shirt|814230