Noriko has led a sheltered, overprotected life since she was little, not being allowed to play outside or take part in normal childhood activities due to her affluent background.<br /><br />Then, during a school trip to Osaka, she meets Taiyou, who shows her that beyond the gilded birdcage she was raised in, there exists a dazzling world that shines as bright as the sun.<br /><br />But, faced with overwhelming opposition, can Noriko somehow find the courage she needs to break free of the chains that bind her?