1girl ahoge artist_name belt black_dress blue_background blue_eyes blue_hair breasts bright_pupils casual dress hairband highres long_hair long_sleeves looking_at_viewer lyn_(shunao) multiple_views orie_(under_night_in-birth) polka_dot polka_dot_background smile striped sweater under_night_in-birth vertical_stripes white_hairband white_legwear white_pupils