Original creator : Manta Aisora
Original character-design : Koin
Plot summary : The story 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 who is chased by aliens one night, until Nyaruko saves him.
Note : Aisora launched the light novel series with illustrations by Koin (Kanokon: The Girl Who Cried Fox) in 2009, and Softbank Creative published the seventh volume this past April.
WARNING ! This thread will contains spoilers for the novel. So, be warned of this !