On the surface, he is a high school mathematics teacher, but in fact he was the chief intelligence officer of TPC. In the peaceful age of the earth, meteorite warnings suddenly appeared, monsters resurrected, and Tiga awakened. He was reborn with the Civilization Fire Reactor, symbiotic leaf rot devoured the remains of monsters, and was infinitely resurrected and omnipotent. He coldly plans for disasters, but always protects the students in the classroom in the dark. Crazy pretenders, using destruction to deduce salvation, are finally inspired by the light of mankind, their obsession turns into love, and they quietly watch the dawn.