General Machine - The Future of a Certain Planet

Ladder Northwood is a robot working at the Gal Industries factory in the city of Yukura. He is married to Gal, the company president's only daughter, and lives his life without caring about the mismatch in social status. Then one day, he suddenly wonders, "What kind of machines am I making?" In a world thousands of years in the future, where will robots be headed?