When student-teacher Udou-sensei shows up at the head of the class, he turns the boys' lives upside-down! As if Tasuki weren't being put through the wringer enough, Yuuto and Kotarou meet Karen, a beautiful but nosy photographer that ends up pulling the boys into her dangerous world. When Tatsuki's powers begin to act strangely, he suddenly realizes that controlling them is as difficult as ever. But despite the stress, could that be a bit of ice slowly melting from his cold heart?