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The 20th anniversary of Nisio Isin's debut novel, Decapitation Cycle, has arrived!! See the Twitter announcement for the NEXT20 celebration project. |
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This wiki contains spoilers for all Nisio Isin works, with the novels as a primary source. We recommend you steer clear of pages relating to series you haven't read.
The NISIOISIN Wiki is a collaborative database detailing the works of Japanese author Nisio Isin, be they novels, manga or anime. We've been editing 730 articles since November 8th, 2018. Users are encouraged to help create or edit articles in order to heighten our community's standards. Use the resources below to get started.
 The series follows former-vampire-turned-human third year high school student Koyomi Araragi as he meets, befriends and rescues various girls afflicted with aberration-related issues. |
 The series follows an unnamed narrator dubbed the Nonsense User, a nihilistic, pessimistic college student, as he is dragged into various murder cases and is forced to solve them, often accompanied by his friend, genius engineer Tomo Kunagisa, and Humanity's Strongest Contractor, Jun Aikawa. |
 Togame the Schemer, on a mission from the Shogunate, recruits Shichika Yasuri, the disciple of the swordless sword style, to collect the Twelve Possessed, legendary blades forged by the blacksmith Kiki Shikizaki. |
 The story Mayumi Doujima, a female student of Yubiwa Private Academy, as she meets and is helped by the rumored and infamous Pretty Boy Detective Club, made up of the school's biggest names. |
 The series follows the titular Kyouko Okitegami, a private detective who forgets everything the moment she goes to sleep, as well as Yakusuke Kakushidate, a man who always ends up getting suspected of crimes. |
 The protagonist, Kuu Sorakara, is an emotionless youth who, after having his entire family killed, is recruited by the Earth Eradication Army, an organization dedicated to fighting against the Earth, and becomes a hero. |
 Each book in the series follows a different murder case, usually taking place in a school, and always involving someone related to the Byouinzaka family, a clan of eccentric individuals usually taking the role of detective. |
 The story follows Kizutaka Kugi, a megalomaniacal elementary school student and Risuka Mizukura, a magical girl called the Red Witch of Time who is searching for her missing father, as they solve various magical incidents. |
 The series follows the second generation Flaneur, a phantom thief who has made it his mission to return all the stolen treasures that his father obtained, and in the process comes across various murder cases. |
If you want more information about a specific work by Nisio Isin, check out the other Wikis based on his works.
| Newest Book |
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| Nisio's Top 10 Characters |
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According to the Nisio Isin Exhibit interview, the author's 10 favorite characters are:
1. Nomi Chinou (Densetsu Series)
2. Princess Hitei (Katanagatari Series)
3. Shiogi Hagihara (Zaregoto Series)
4. Kagi Mizukura (Risuka Series)
5. Mayumi Doujima (Bishounen Series)
6. Houko Yamiguchi (Zaregoto Series)
7. Namanie Nienami (Medaka Box)
8. Kyouko Okitegami (Boukyaku Tantei Series)
9. Meniko Hamukai (Monogatari Series)
10. Choushi Kushinaka (Sekai Series)
Bonus: Maniwa Ninja Corps (Katanagatari Series)
| To-Do List |
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Help Wanted!
The NISIOISIN Wiki is currently in its early stages of construction, and there is a large quantity of content missing. If you want to help the Wiki, here are some things that could use your assistance:
- Character Pages
- Manga Chapter Pages
- Episode Pages
- Referencing
- Gallery Pages
- Plot Summaries