1girl, afnroll, aqua_eyes, aqua_hair, arms_behind_back, arona_(blue_archive), blue_archive, blue_sky, blurry, braid, caustics, chair, choker, closed_umbrella, collarbone, colored_inner_hair, desk, gun, hair_ornament, hairband, halo, indoors, long_sleeves, looking_at_viewer, multicolored_hair, pleated_skirt, rifle, school_chair, school_desk, school_uniform, serafuku, short_hair, sidelocks, single_braid, skirt, sky, smile, solo, umbrella, weapon, white_choker