1girl, animal_ear_fluff, animal_ears, armpits, arms_up, bare_arms, bare_shoulders, black_one-piece_swimsuit, blue_archive, blue_eyes, breasts, covered_navel, cowboy_shot, extra_ears, grey_hair, groin, hair_ornament, halo, long_hair, looking_at_viewer, mattaku_mousuke, medium_breasts, official_alternate_costume, one-piece_swimsuit, parted_lips, presenting_armpit, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), simple_background, solo, swimsuit, twitter_username, watermark, white_background, wolf_ears