1girl ? ahoge ass bangs black_hair blue_archive blue_skirt blush bolt_action closed_mouth footprints from_behind gun headgear highres holding holding_weapon hoshino_ouka leaf leaf_on_head leotard leotard_under_clothes long_hair miyu_(blue_archive) mosin-nagant pantyhose red_eyes rifle sailor_collar simple_background skirt solo spoken_question_mark very_long_hair weapon white_background white_leotard white_pantyhose white_sailor_collar