Episodes: 12Status: Completed
Alternate Titles: Nyarko-san: Another Crawling Chaos, Haiyoru! Nyaruko-san , 這いよれ！ニャル子さん
The story of Haiyore! Nyaruko-san centers around Nyaruko, a formless Cthulhu deity of chaos (Nyarlathotep) who can take on the shape of a seemingly ordinary silver-haired girl. Mahiro Yasaka is a normal high school boy who is chased by aliens one night, until Nyaruko saves him.