<p>Case File Compendium: Bing An Ben novel volume 4 was written by Rou Bao Bu Chi Rou (Meatbun Doesn't Eat Meat).</p> <p>He Yu and Xie Qingcheng barely escape a harrowing life-or-death ordeal, but with Xie Qingcheng's darkest secrets now exposed, can they ever return to normal? Xie Qingcheng is determined to try, yet the revelations have given He Yu a new, profound understanding of his doctor&mdash;and of his own conflicted feelings.</p> <p>When Xie Qingcheng's sister, Xie Xue, succumbs to a disturbingly familiar illness, He Yu recognizes its sinister origin. Now, he and Xie Qingcheng must join forces once more to unravel the dark mysteries of RN-13, the illegal miracle drug that shattered both their lives.</p> <div style="text-align:center;"> <a href="https://devstore.crunchyroll.com/products/case-file-compendium-novel-volume-3-9781685797744.html" onblur="this.style.outline='2px solid transparent';" onfocus="this.style.outline='2px solid #000000';" style="display:inline-block; width:180px; margin:10px; padding:10px 20px; background-color:#fab818; color:#000000; text-decoration:none; border-radius:5px; font-weight:bold; text-align:center; outline: 2px solid transparent; font-size:16px;" aria-label="Go to previous volume in series">&larr; Previous Volume</a> <a href="https://devstore.crunchyroll.com/products/case-file-compendium-novel-volume-5-9798888434550.html" onblur="this.style.outline='2px solid transparent';" onfocus="this.style.outline='2px solid #000000';" style="display:inline-block; width:180px; margin:10px; padding:10px 20px; background-color:#fab818; color:#000000; text-decoration:none; border-radius:5px; font-weight:bold; text-align:center; outline: 2px solid transparent; font-size:16px;" aria-label="Go to next volume in series">Next Volume &rarr;</a> </div>