In Volume 2, Class 3-E continues their unusual mission to assassinate their alien teacher, Koro-sensei, before he destroys the Earth. As the students begin to adapt to his super-speed and intelligence, they realize that killing him will require strategy, teamwork, and patience. New assassination techniques are introduced, and the class starts to bond while balancing school life and secret training. Koro-sensei, despite being their target, proves to be an exceptional teacher who genuinely cares about his students’ growth. The emotional complexity of their mission deepens as they improve academically and physically. This volume blends humor with suspense, creating intense yet comedic classroom scenarios. The students begin to discover their individual strengths, making each assassination attempt more creative. Rivalries and friendships grow stronger, adding depth to the storyline. The tension between duty and affection becomes more noticeable. Volume 2 sets the stage for greater challenges ahead.