Izumi

Appears in Afterlife Jaunte The Kaguya Paradigm and Love Before Planets. A genius inventor studying pseudoscience. His research in college was about the Jaunte theory and he was able to invent the TakeYouAnywhere Door. He has feelings for his coworker Nayotake who frequently presents him problems that cant be solved. He was later given the challenge of creating a komainu stew which if solved grant him Nayotakes hand for marriage. He also has knowledge of the planet bomb and the Planetary Gear Mechanism.