1girl, armor, armored_leotard, ass, black_hair, choujigen_game_neptune_sisters_vs_sisters, cowboy_shot, elbow_gloves, from_behind, gloves, gray_sister_(neptunia), grey_background, grey_leotard, leaning_forward, leotard, long_hair, neptune_(series), simple_background, solo, standing, stiris_rangetsu, thighs, two-tone_leotard, white_gloves, white_leotard