1girl black_footwear blazer blue_jacket blue_legwear brown_hair copyright_name full_body grey_background grey_sweater gun hair_ornament hairclip hand_on_hip holding holding_gun holding_weapon jacket kneehighs long_hair long_sleeves looking_at_viewer official_art plaid plaid_skirt pocket pota_(bluegutty) red_eyes red_skirt reki_connect school_uniform skirt smile standing sweater sweater_vest tachi-e very_long_hair watermark weapon