1girl, ahoge, antennae, arknights, bad_pixiv_id, barefoot, black_shorts, brown_shirt, demon_girl, demon_horns, demon_tail, feet, full_body, grey_hair, horns, looking_at_viewer, midriff, nail_polish, nishimiyayu, red_eyes, red_nails, shirt, short_hair, short_sleeves, shorts, simple_background, sitting, soles, solo, t-shirt, tail, toenail_polish, toenails, toes, w_(arknights), w_(fugue)_(arknights), white_background