Sosei wants to get closer to his classmate, Kuchina Hitsujimoto. And she isn't any ordinary classmate—Kuchina is in the same line of shadowy work as Sousei, and their powers miraculously complement each other. It’s just hard to make much headway when Kuchina inexplicably avoids him. Sosei’s former girlfriend, Asumi Shiramori, notices the strange mood around the pair and decides to take action. It’s time for her to set her master plan in motion!