Okura Murasaki, the Super High School Level Counselor, awakes in a school alongside 15 other students to hone their talents for the world ahead of them. However, they soon discover that the school is millions of miles away from Earth, and the only way to return is to commit the perfect murder. How will they handle this second chance? Who will die before this chance is realized? Follow the story of Okura Murasaki on her journey to escape the Interstellar Killing School Life.