This full-length, 20-minute-long Flash anime was released on March 17, 2010 as a premium package with limited edition copies of Aisora Manta's fourth Haiyore! Nyaruko-san light novel.

The set of comedy shorts stars the cute silver-haired girl Nyaruko-san, who is actually the ancient monster god Nyarlathotep (from author H.P. Lovecraft's Cthulhu mythos).

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Other: Haiyore! Nyaruko-san