1girl, artist_name, blue_archive, blush, bolt_action, collarbone, embarrassed, eyelashes, feathered_wings, gun, halo, head_wings, holding, holding_weapon, knee_up, koharu_(blue_archive), long_sleeves, looking_at_viewer, low_wings, miniskirt, monochrome, nose_blush, open_mouth, p14_enfield, panties, pleated_skirt, rifle, sailor_collar, school_uniform, short_hair, simple_background, sitting, skirt, sleeves_past_wrists, solo, sweat, trembling, twintails, underwear, wavy_mouth, weapon, white_background, wings, you_guo_chaocai