1girl, absurdres, blue_hair, blush, commission, floating_hair, helmet, highres, holding, holding_helmet, idolmaster, idolmaster_(classic), idolmaster_million_live!, kisaragi_chihaya, long_hair, looking_at_viewer, motor_vehicle, motorcycle, motorcycle_helmet, outdoors, sanpo_(sanpo_1027), signature, smile, solo, straight_hair, unworn_headwear, unworn_helmet, very_long_hair