1girl, bad_pixiv_id, blue_background, blue_eyes, bodysuit, brown_bodysuit, cephalopod, closed_mouth, full_body, gomulgong, gradient_background, legs_up, light_brown_hair, long_hair, looking_at_viewer, nautilus_(animal), original, personification, photo_inset, reference_inset, shell, simple_background, solo, underwater, very_long_hair, white_bodysuit