Rule 34 Dev - 10s 1boy 1girl 4koma :d all_fours arms_up bad_id bad_pixiv_id comic drill_hair closed_eyes greyscale hosokawa_kazuko injury katori_shin'ichi long_hair md5_mismatch monochrome on_ground open_mouth original skirt smile sparkle tears tree tsurezure_children wakabayashi_toshiya|4754210058