Zhang San was finally allowed to get up from his bed after lying in it for 10 days. The Homo Evolutis awakening drained him greatly; it wasn't until today that he was feeling more like himself. At the same time, he was greatly interested in the other important passenger on the ship, or rather an important product.
Yes, the spaceship was not only carrying him, the Homo Evolutis, back to the City of Light Moon, but also that AI robot that he discovered, the one who he suspected had achieved sentience breakthrough.