1girl, asta \(honkai: star rail\), detached sleeves, sleeveless shirt, id card, high heels, high-waist skirt, overskirt, anklet, thigh strap, bracelet, hairpin, belt, bowtie, choker, full body, looking at viewer, floating, floating hair,  depth of field, space, nebula, starry sky, earth \(planet\), masterpiece