<p>Blue Box manga volume 13 features story and art by Kouji Miura.</p> <p>Taiki is preparing to celebrate his 16th birthday surrounded by family when an emergency leaves Chinatsu and Taiki alone together! What kind of present is Chinatsu cooking up for him? And will Taiki's heart be able to handle it?</p> <div style="text-align:center;"> <a href="https://devstore.crunchyroll.com/products/blue-box-manga-volume-12-9781974748716.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/blue-box-manga-volume-14-9781974751778.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>