sumeragi setsuna, ongeki, game cg, highres, non-web source, official art, 1girl, black boots, black bra, black cape, black panties, boots, bra, breasts, cape, chain, cleavage, collarbone, eyes visible through hair, floating, floating object, floating sword, floating weapon, full body, grey hair, hair over one eye, highleg, highleg panties, long hair, long sleeves, looking at viewer, navel, off shoulder, open fly, panties, panty straps, purple cape, red eyes, serious, short shorts, shorts, simple background, solo, stomach, sword, thigh boots, transparent background, two-sided cape, two-sided fabric, underwear, v-shaped eyebrows, weapon