The assassin targeting Kae has finally been revealed. Because of their previous clashes, Kawaki knows they are a powerful foe. He decides to chase after the assassin by himself to prevent putting any more students in danger. But Kawaki finds it difficult to do that without knowing where the assassin is; what’s more, his classmates desire to work together to chase down the assassin and save Kae. And so, the entire class begins their pursuit!