Rule 34 Dev - 1boy 1girl absurdres blush book closed_mouth greyscale hetero highres lab_coat long_sleeves looking_at_another lying makise_kurisu monochrome nose_blush okabe_rintarou on_back pen print_shirt shirt short_sleeves speech_bubble steins;gate suehiroch0 t-shirt tissue_box translation_request|23993852688