It would be wise to watch Code Geass R1 & R2 before seeing this special, it will make a bit more sense. --- "Code Geass: Hangyaku no Lelouch - Kiseki no Birthday Picture Drama", is a picture drama that takes place after the final episode of Code Geass R2. That may arise some questions, as it did with me. It will. Even after the explanation they give us. Despite that, the show is fun to watch, even though it's a Picture Drama.If you read the synopsis it is truly what the story is and nothing more.

Most of this special should entice laughter, especially at the beginning.
The very end tries its best to make you cry. And if you love the characters so much, and don't care about the ridiculous explanation, then you just may.

The character designs are what you would expect from Code Geass.
Same great music, and Seiyuu and SFX.

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There's not too much to this.
It's a funny, entertaining story.

If you love Code Geass, I would recommend this.