Rule 34 Dev - 1girl ahoge assault_rifle bag breasts cleavage collarbone female_focus goggles gun h&k_g36 h&k_usp handgun headset heckler_&_koch nanaroku_(fortress76) open_mouth original pleated_skirt rifle school_uniform shirt short_sleeves silver_hair simple_background skirt solo squatting weapon white_background|5220997821