<a href="https://en.wikipedia.org/wiki/Riddle_Story_of_Devil" class="extiw" title="en:Riddle Story of Devil">Riddle Story of Devil</a> logo
<a href="https://en.wikipedia.org/wiki/Kadokawa_Shoten" class="extiw" title="en:Kadokawa Shoten">Kadokawa Shoten</a>
<a rel="nofollow" class="external free" href="http://www.diomedea.co.jp/riddle/">http://www.diomedea.co.jp/riddle/</a>