Rule 34 Dev - 1boy 1girl 2023 ass bare_legs barefoot beard blush closed_eyes collarbone couple drooling facial_hair greyscale hetero highres leg_up long_hair long_sleeves makise_kurisu monochrome okabe_rintarou open_mouth panties rocni shirt soles steins;gate straight_hair striped_clothes striped_panties tank_top underwear|25317842589