1girl,ass,assault_rifle,back,bangs,blue_eyes,blush,bodysuit,breasts,bullpup,dual_wielding,finger_on_trigger,from_behind,gun,hair_between_eyes,handgun,headgear,headphones,headset,holding,holding_gun,holding_weapon,long_hair,looking_at_viewer,looking_back,mecha_musume,pistol,ponytail,rifle,science_fiction,silver_hair,solo,submachine_gun,trigger_discipline,very_long_hair,visor,weapon,rating:safe