Mayonaka no Door, or Midnight Door, is an anime that aired in Japan from July to September 2008. It was created by studio A-1 Pictures and directed by Toshifumi Kawase. The anime follows the story of a group of friends who use a mysterious midnight door to enter another world where they can grant their wishes. However, they soon realize that this other world is not as perfect as it seems and that their own desires may have unforeseen consequences.
Mayonaka no Door is a unique anime with an interesting premise and likable characters. If you're looking for something different to watch, I definitely recommend checking it out!