Anime heroes Sousuke and Kaname take on yet another dangerous mission that has them wiping out another deadly menace. It seems their high school is under siege, and not just from the usual teenage angst, but also from a bomber who's hell-bent on making everyone's life miserable. Plus, Sousuke and Kaname have to navigate land mines within their own relationship, especially when Kaname feels slighted by Sousuke's neglectful ways.