1girl, against_railing, ako_(blue_archive), alternate_costume, bare_shoulders, bell, blue_archive, blue_eyes, blue_hair, blush, breasts, closed_mouth, collar, competition_swimsuit, hair_between_eyes, hairband, halo, large_breasts, leash, looking_at_viewer, medium_hair, neck_bell, one-piece_swimsuit, pool, poolside, railing, rinrasetsu, sideboob, solo, swimsuit, tearing_up, tears, thighs