1girl, animal_ears, arknights, artist_name, bird_ears, bird_girl, black_bra, black_panties, blush, bra, breasts, cokuto1, feather_hair, fiammetta_(arknights), hand_up, lace-trimmed_bra, lace-trimmed_panties, lace_trim, large_breasts, looking_at_viewer, navel, necktie, no_pants, panties, red_hair, red_necktie, see-through, seiza, shirt, short_hair, short_necktie, short_sleeves, simple_background, sitting, sweat, underwear, white_background, white_shirt