<p>Blue Box manga volume 15 features story and art by Kouji Miura.</p> <p>With nationals approaching, Taiki looks for ways to push himself harder than before. He decides to turn to Hyodo, who puts him through a spartan training! Then, qualifiers begin for the girls' basketball team. Chinatsu leads them through the bracket without breaking a sweat - until she faces off against Yumeka for a spot at nationals!</p> <div style="text-align:center;"> <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 previous volume in series">&larr; Previous Volume</a> <a href="https://devstore.crunchyroll.com/products/blue-box-manga-volume-16-9781974755370.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>