1girl, atsuko_(blue_archive), blue_archive, braid, breasts, brush, chromatic_aberration, hair_between_eyes, hair_ribbon, halo, hood, hood_up, hooded_jacket, izuoku, jacket, long_sleeves, looking_at_viewer, navel, on_bed, one-piece_swimsuit, open_clothes, open_jacket, pink_hair, red_eyes, ribbon, simple_background, sitting, smile, spread_legs, swimsuit, twin_braids