A millionaire vlogger goes back in time and arrives in Edo, old Tokyo. What he witnesses is a giant wooden robot leading a Daimyo procession. It is a world without the Meiji Restoration, where the countries other than Japan isolated themselves. This Edo is ignorant of modernization, and it is visited by “aliens” who are from a different world. Trading with them has developed a civilization based on wood, instead of iron.
A robot boy arrives in a junior high school classroom where a boy is the target of bullying. What is the agenda of the robot boy? What can robots do? What are the things they can’t do? And what they should do with humans?