Daily Life in Shinkansen Henkei Robo

Ten years ago. To this day, we still don't know who made them. What we do know is that they possess technology far beyond human understanding, and an unknown threat is drawing near. For that reason, those of us researching next-generation technology were chosen by the Hyper Evolution Research Institute. Then, using the Shinkansen, developed with Japan's most advanced technology, we created Evolutionary Vanguard. The Hyper Evolution Research Institute, which protects passengers, routes, and schedules, now also has the mission of protecting our land from unknown threats. So how will our male lead manage to survive?