海の怪物と対峙するセイレンス

hysilens (honkai: star rail), honkai: star rail, 1girl, long hair, long sleeves, black hair, black gloves, black thighhighs, two-tone hair, red gloves, torn thighhighs, asymmetrical gloves, (improve_image), anime illustration, great quality, best quality, from behind, arms at sides, holding sword, facing away, battlefield, back, numerous monsters and a giant kaiju in the background, black sky, thunder, storm, tsunami, sea, wind, anime illustration, great quality, best quality