Have you ever wondered what would happen if some random Japanese school children interacted with strange humans, animals, objects, architecture, historical figures, and even buildings from around the world and various time periods, all caused by some mysterious entity and/or force? Probably not. But, just in case… Ever since the sumo wrestler teleported onto our campus, peculiar things have been happening around our school, all thanks to some strange warping phenomenon. It seems like our graduation album is going to become a comprehensive catalog of human culture, civilization, and nature on Earth unless we figure out what’s going on.