Kakomareta Sekai is a short animation done by Shinkai Makoto using Lightwave 3D. It is inspired by Japanese novelist Murakami Haruki's book Sekai no Owari to Hard-Boiled Wonderland (Hard-Boiled Wonderland and the End of the World). The music was done by Tenmon, who's also responsible for the music i...

Source: MyAnimeList