This cube craft paper toy is the Mukuro Rokudo, based on the anime and manga series Reborn! (known in Japan as Katekyo Hitman Reborn!), this paper craft was created by alonso jacobo. For more information and another cube Mukuro Rokudo click on: Reborn – Mukuro Rokudo Cube Craft Free Paper Toy.
You can download the paper craft toy here: Reborn! - Mukuro Rokudo Cube Craft Ver.2 Free Paper Toy Download