Young Yuji Sakai has unwittingly captured the attention of the Crimson Denizens. Within him exists a valuable and rare treasure, and Shana has vowed to protect her vulnerable charge. But now a second Flame Haze has come into the picture. Two all-powerful cosmic avengers are better than one, right? Well...maybe not. The universe is a big place, but there's only room for one Flame Haze on this tiny planet. Get ready, it's Flame Haze vs. Flame Haze: The ultimate Shakugan no Shana smackdown!