1girl absurdres bangs black_eyes black_hair blue_archive carrying_over_shoulder crazy_smile crop_top crop_top_overhang grey_shirt grey_skirt grin gun halo highres holding holding_gun holding_weapon long_hair long_sleeves looking_at_viewer mask mask_pull mouth_mask nasan_(coldtime) neckerchief open_mouth ponytail school_uniform serafuku shirt sig_sauer_mpx signature skirt smile solo submachine_gun sukeban_(smg)_(blue_archive) surgical_mask weapon