1girl, adjusting_hair, animal_ears, aoitsuki, arm_behind_head, armpits, arms_up, beach, blue_archive, blue_eyes, blue_one-piece_swimsuit, blue_sky, breasts, cloud, cloudy_sky, competition_swimsuit, covered_navel, cross_hair_ornament, day, extra_ears, grey_hair, hair_ornament, halo, horizon, looking_at_viewer, medium_breasts, medium_hair, mismatched_pupils, ocean, official_alternate_costume, one-piece_swimsuit, open_mouth, original, outdoors, presenting_armpit, shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), sky, solo, swimsuit, upper_body, wolf_ears