The first 13 episodes from the second season of the anime series based on the manga by Yusei Matsui. After destroying 70 percent of the Moon, a seemingly indestructible, tentacled creature threatens to wipe out the Earth in a similar fashion within the year. The planet's only hope lies with the young students of Class 3E at Kunugigaoka Junior High School, where the creature has been assigned to teach, who have been chosen to learn the art of assassination from their new, tentacled teacher. Having trained long and hard, Class 3E return for their next semester which will draw them ever closer to the ultimate task of assassinating Koro-sensei (voice of Jun Fukuyama) himself. The episodes are: 'Summer Festival Time', 'Kaede Time', 'Itona Horibe Time', 'Spinning Time', 'Leader Time', 'Before & After Time', 'Reaper Time: Part 1', 'Reaper Time: Part 2', 'Round Two Time', 'School Festival Time', 'End-of-Term Time, 2nd Period', 'Think Outside the Box Time' and 'Let Live Time'.