1girl, animal_ears, arknights, black_hair, breasts, brown_eyes, cat_ears, cat_girl, cat_tail, high_heels, kochiya_(gothope), looking_at_viewer, medium_breasts, official_alternate_costume, rockrock_(arknights), rockrock_(before_singing)_(arknights), short_hair, sleeveless, solo, squatting, tail, white_background