This cube craft paper toy is Yuki Nagato, a quiet high school freshman that is the only member of the SOS Brigade that was not "voluntarily arrested," or coerced into joining, by Haruhi Suzumiya, based on the anime series Anohana: The Flower We Saw That Day (Ano Hi Mita Hana no Namae o Bokutachi wa Mada Shiranai), the papercraft is designed by alonso jacobo.
This are other papercraft versions at the site:
Haruhi Suzumiya – Yuki Nagato Free Doll Papercraft
Haruhi Suzumiya – Yuki Nagato Papercraft
The Melancholy of Haruhi Suzumiya – Chibi Yuki Nagato Free Papercraft
The Melancholy of Haruhi Suzumiya – Yuki Nagato Ver.4 Free Papercraft
You can download this cube paper craft toy here: The Melancholy of Haruhi Suzumiya - Yuki Nagato Cube Craft Free Paper Toy Download