hun" title="Wu Chun">Wu Chun</a> as "Night" and Korean actress <a href="//en.wikipedia.org/wiki/Ku_Hye-sun" title="Ku Hye-sun">Ku Hye-sun</a> as "Riiko."<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span>[</span>5<span>]</span></a></sup> On May 3, 2011, <a href="//en.wikipedia.org/wiki/Jiro_Wang" title="Jiro Wang">Jiro Wang</a> replaced fellow <a href="//en.wikipedia.org/wiki/Fahrenheit_(Taiwanese_band)" title="Fahrenheit (Taiwanese band)">Fahrenheit</a> band member Wu Chun as the male lead