1girl, armband, backless_swimsuit, brown_hair, closed_mouth, fingerless_gloves, from_behind, fujita_(condor), girls'_frontline, gloves, gun, h&k_ump, hair_tie, holding, holding_gun, holding_weapon, long_hair, looking_at_viewer, side_ponytail, solo, standing, submachine_gun, swimsuit, ump45_(girls'_frontline), weapon, yellow_armband