Genre: Supernatural, Fantasy
There are two main characters: Nai and Gareki. Nai is looking for a loved one with an abandoned bracelet for his only clue, and Gareki is a pickpocket. When the two meet each other in a mansion, they get set up as wanted criminals where they confront an organization called Circus.
Note: I have no idea what happened to the winter season trailers, but BigHeart711 and I found some spring 2013 trailers.
We will find out.