1boy, 1girl, animal_ear_fluff, animal_ears, bare_arms, bare_shoulders, beach, black_one-piece_swimsuit, blue_archive, blue_eyes, blurry, blurry_background, blush, breasts, collarbone, covered_navel, day, depth_of_field, disembodied_limb, extra_ears, grey_hair, hair_between_eyes, halo, holding_another's_wrist, munakyomu, official_alternate_costume, one-piece_swimsuit, outdoors, parted_lips, ponytail, sand, sensei_(blue_archive), shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), small_breasts, solo_focus, swimsuit, water, wolf_ears