This figure papercraft is Yamamoto-kun, Kohina's classmate, from the anime Gugure! Kokkuri-san, the papercraft is created by Clarisse Albeit. No matter how you think of it, Yamamoto is an alien. Since the time he joined Kohina's class, nobody doubted that he was an Earthling, though it's suspected that he brainwashed everybody.
You can download this papercraft template here: Gugure! Kokkuri-san - Yamamoto-kun Free Papercraft Download