1girl, alternate_breast_size, alternate_costume, aris_(blue_archive), atsumi_jun, bikini, blue_archive, blue_bikini, blue_eyes, blue_hair, breasts, from_side, hair_between_eyes, halo, large_breasts, long_hair, looking_at_viewer, parted_lips, side-tie_bikini_bottom, sideboob, solo, swimsuit