official art, masterpiece, best quality, absurdres, very aesthetic, 1girl, solo, female focus, Helena_CF, silver hair, short hair, from behind, asymmetrical hair, asymmetrical earrings, ear piercing, earrings, mole under eye, neck tattoo, normal suit, pilot suit, mecha pilot suit, blue bodysuit, utility belt, white gloves, ankle boots, white footwear, full body, standing, facing away, arms at side, indoors, locker room, locker, tile floor,