1girl aiming_at_viewer bangs beretta_92 black_capelet black_skirt blue_eyes blue_hair breasts capelet closed_mouth cowboy_shot grey_background grey_shirt gun hair_over_one_eye hair_over_shoulder handgun high-waist_skirt highres holding holding_gun holding_weapon light_blue_hair long_sleeves looking_at_viewer medium_breasts monika_(spy_kyoushitsu) pleated_skirt ponytail shirt simple_background skirt smile solo spy_kyoushitsu suspender_skirt suspenders weapon yume_(bp25mt)