2girls, arona_(blue_archive), bikini, black_bikini, blue_archive, blue_eyes, blue_hair, blush, braid, breath, choker, colored_inner_hair, frilled_bikini, frills, hair_over_one_eye, hair_ribbon, hairband, halo, loli, long_hair, looking_at_viewer, multicolored_hair, multiple_girls, navel, open_mouth, p03145, pink_hair, plana_(blue_archive), ribbon, short_hair, siblings, steam, steaming_body, stomach, sweat, swimsuit, very_long_hair, white_bikini