1girl, aircraft, ass, bare_legs, black_socks, blush, earrings, floating_hair, foreshortening, grey_hair, hot_air_balloon, idolmaster, idolmaster_shiny_colors, jewelry, looking_at_viewer, neckerchief, plaid, plaid_skirt, pleated_skirt, reaching, reaching_towards_viewer, school_uniform, serafuku, serizawa_asahi, shirousagi_una, shoes, skirt, smile, sneakers, socks, solo, white_neckerchief