The Story of No. 1113

This is a love story that takes place in the dome world. In the not-too-distant future, the vast steel dome traps everyone like a cage. Everyone in the six classes under the dome is eager to move up, but few people want to see the world outside the dome. "I" met a girl who came down from the dome by chance, and made an appointment with her to escape from the dome and go to a new world-Mars...