Touhou Kanjuden ~ Legacy of Lunatic Kingdom (東方紺珠伝　～ Legacy of Lunatic Kingdom, lit. "Eastern Tale of the Ultramarine Orb") is the fifteenth official installment of the Touhou Project. &lt;br&gt;<br> It was announced by ZUN on his personal blog on April 22, 2015, at 20:57 JST. <br>A playable demo was released in May 10, 2015, at Reitaisai 12. &lt;br&gt; &lt;br&gt; <br>*Gameplay &lt;br&gt; <br>Main articles: Gameplay, Strategy, and Spell Cards &lt;br&gt; &lt;br&gt;<br> There are four playable characters: Reimu Hakurei, Marisa Kirisame, Sanae Kochiya, and Reisen Udongein Inaba. Before release, ZUN noted big changes to the gameplay, which would be "very different" (though still retaining core shoot 'em up fundamentals). &lt;br&gt;<br> He also made mention of the challenge and difficulty in implementing these changes, especially in time for the demo's release. &lt;br&gt; &lt;br&gt; <br>*Story &lt;br&gt;<br> Main articles: Story, Translation, and Characters &lt;br&gt;<br> Music &lt;br&gt;<br> Main article: Music &lt;br&gt;<br> **Quoted by En Touhou Wiki &lt;br&gt;