1girl, ahoge, alternate_costume, animal_ears, arknights, ass, ass_focus, back, black_footwear, black_leotard, black_pantyhose, bright_pupils, brown_eyes, crocodilian_tail, fake_animal_ears, from_behind, grey_hair, high_heels, kneeling, legs, leotard, looking_at_viewer, looking_back, pantyhose, pointy_ears, rabbit_ears, shoes, simple_background, solo, tail, tomimi_(arknights), wawamachi_(wawamachis), white_background, white_pupils