He's aboard an alien mothership, and has just been told he failed his probation.
After three years as an intern aboard a mothership in the Sirius system, Zhang Yitian returned to Earth with a head full of "epoch-making technology."
He thought he could give Earth's civilization a huge boost, but then he discovered that Earth's computers couldn't run the "alien algorithms" he wrote, and Earth's materials couldn't withstand the "antigravity system" he built.
Even his superhuman senses were seen on Earth as symptoms of mental illness.
To pay his rent, he became the fastest food delivery rider in the city.
Then one day, he accidentally fixed his neighbor's radio and heard...
It's quite novel, but the protagonist didn't take the initiative to contact the authorities (not counting the police), which is a bit hard to understand.
It's a good read, a great science fiction novel, it's so well written, I can't stop reading it! The writing is smooth and vivid, and the plot has interesting twists and turns. I highly recommend it! A rare gem among tomato novels!