im not going to be doing a prologue so im just going to say how he was sent to earth
he figured out what was going to happen on the ship with the oxygen he told the council and they told him he couldn't tell anyone he left the council meeting and went to bellamy his best friend
bellamy what was going to happen he didn't believe him he then told raven his other best friend when he was telling her guards came and took him away since he was 18 they planned on floating him but the chancellor had another idea they sent him to earth to see if it was safe to live there once he landed he realize he wasn't where he was supposed to be he realized that he was sent of course so he decided to build a giant round wall around where he is he then built a giant house that can fit thousands of people a giant office the only thing finishes is the wall and office
the area where the 100 land is where the village would be so pretty much itś konoha but with out all the store and houses