Sousei wants to get closer to his classmate Kuchina Hitsujimoto. She isn’t just any ordinary classmate, though—Kuchina is in the same line of shadowy work as Sousei, and their powers miraculously complement each other. Yet it’s hard to make much headway when Kuchina inexplicably avoids him, and Sousei’s (more or less) former girlfriend, Asumi Shiramori, notices the strange mood around the pair and decides to take action. Meanwhile, Sousei is focused on his job and trying to increase the number of lives he has. But not only does he keep getting drawn into battles to the death—it’s starting to impact his school life…!