A Young Man's Henchmen Career (A Fanfic of GremlinJack's A Young Girl's Delinquency Record)

Summary: An agnostic engineer meets Being X right after a certain salaryman's little spat. Saved by Buddha from a terrible fate, he decides to do Buddha a favor and follow to make the world better and speedrun an entire century of development and innovation. Too bad, he was never the best long-term planner.