Hell Teacher: Jigoku Sensei Nube: 1x8

Great Inventions and Spirit World Communicators

Young inventor Akira finds a broken tablet and becomes even more obsessed with building great machines, as if he is possessed by something. One day, Akira announces he can bring the dead back to life, scaring his friends. Nueno senses something is wrong and investigates Akira’s inventions, when he notices something strange within Akira’s tablet…