Haiyoru! Nyaruani (ONA)
Genres: comedy, romance, slice of life
Themes: aliens
Plot Summary: 9 very short non-related stories about the life of Nyarlko, Mahiro and/or Cthuko.
Number of Episodes: 9
Vintage: 2010-03-17
Haiyoru! Nyaruani: Remember My Mr. Lovecraft (TV)
Objectionable content: Mild
Plot Summary: The story centers around Nyaruko, a formless Cthulhu deity 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.
Running Time: 5 minutes per episode
Number of Episodes: 12
Vintage: 2010-12-10
Opening Theme: “Koi suru Otome no Catharsis” by LISP
ANN Info Page
Official Japanese Website
Nyaruko: Crawling with Love! (TV) / Haiyore! Nyaruko-san / Nyarko-san: Another Crawling Chaos
Genres: action, comedy, fantasy, romance, science fiction
Themes: aliens, ecchi, harem, parody, unrequited love
Plot Summary: “I’m Nyarlathotep, the creeping chaos always smiling beside you.” But you can call her Nyaruko for short. One by one, the Great Ones from the Cthulhu mythos are coming to earth to target Nyaruko and her human friend Mahiro. He’s utterly clueless about the true nature of his cosmic conflict and just wants to live in peace.
Number of Episodes: 12
Vintage: 2012-04-09
Opening Theme: “Taiyō Iwaku Moe yo Chaos” by Ushiro Kara Hai Yori Tai G
Ending Theme: 1: “Magamagashiku mo Sei naru kana” by Ushirokara Haiyoritai
2: “Zutto Be with You” by RAMM
ANN Info Page
Official Japanese Website
Nyaruko: Crawling with Love! 2 / Haiyore! Nyaruko-san W / Nyarko-san: Another Crawling Chaos W
Genres: action, comedy, fantasy, romance, science fiction
Themes: harem, parody, unrequited love
Objectionable content: Significant
Plot Summary: Nyaruko still wants Mahiro, as does Hasuta. Kūko wants Nyaruko, but believes both Nyaruko’s and Mahiro’s “first time” belongs to her. Yoriko (the mom) puts up with all of it and cheerfully runs the house where they all live. Mahiro just wants some sanity. He doesn’t want to be the love toy of a Nyarlathotepan, Cthughan, or a shots-like Hasturan. He may or may not hold out.
Number of episodes: 12
Vintage: 2013-04-07
Opening Theme: “Koi wa Chaos no Shimobe Nari” by Ushiro Kara Hai Yori Tai G
Ending Themes: 1: “Yotte S.O.S.” by RAMM ni Haiyoru Nyaruko-san
2: “Wonder Nanda? Kataomoi” by RAMM ni Haiyoru Nyaruko-san
3: “Kirai na WAKE nai Lychee (There’s No Way I Hate You Lychee)” by RAMM ni Haiyoru Tamao-san (Yuka Ōtsubo) (eps 4,7)
4: “Sister, Friend,Lover” by RAMM ni Haiyoru Ku-ko-san to Ku-ne-san (Miyu Matsuki & Ryoka Yuzuki) (eps 5,9)
5: “Ai Crusaders†Striver (Crusaders of Love†Striver)” by Eri Kitamura & Wataru Hatano (ep 10)
6: “Kimi no Tonari de (By Your Side)” by Kana Asumi (ep 12)
ANN Info Page
Official Japanese Website
Haiyore! Nyaruko-san F (OAV)
Plot Summary: Everyone goes to a popular amusement spot,namely a realistic escape game. The players then need to group into pairs and decide on what door to enter to clear the mission. It all just seems to be fun and games. But it is a plot against Nyaruko.
Vintage: 2015-05-30
Opening Theme: “Haiyore Once Nyagain” (Once Nyagain) by Ushiro Kara Hai Yori Tai G
Ending Theme: “Kitto Engage” by RAMM
ANN Page
Official Japanese Website
Haiyore! Nyaruko-san Novels Gets New TV Anime by Xebec
posted on 2011-10-03 11:33 EDT
Manta Aisora’s comedy about Cthulhu deity-turned-girl already inspired 2 Flash-anime series
Nyarko-san: Another Crawling Chaos Anime Gets 2nd Season
posted on 2012-09-27 23:06 EDT
Announced on anime’s site via video from voice cast