1girl, arms_behind_back, arona_(blue_archive), blue_archive, blue_eyes, blue_hair, blue_shirt, bow, choker, collarbone, gun, hair_over_one_eye, hair_ribbon, hairband, halo, holding, holding_gun, holding_weapon, horizon, neung-yogsun-ae, night, night_sky, ocean, outdoors, pleated_skirt, ribbon, sailor_collar, shirt, shoes, sketch, skirt, sky, solo, star_(sky), starry_sky, water, weapon, white_bow, white_choker, white_footwear, white_hairband, white_ribbon, white_sailor_collar, white_skirt