Ninja Slayer (ニンジャスレイヤー, Ninja Sureiyā) is a Japanese novel series written by Bradley Bond and Philip Ninj@ Morzez with illustrations from Warainaku since July 24, 2010. It is divided into 4 parts, Part 1: Neo-Saitama in Flames, Part 2: Kyoto: Hell on Earth, and Part 3: Ninja Slayer Dies followed by Ninja Slayer Plus, which contains the currently ongoing Part 4: Age of Mappor-Calypse. Parts 1-3 are collected from Twitter posts, for a total of 20 volumes, and Part 4 is published online on Die Hard Tales, and has not been collected into any volumes as of February 2019.
The novels were adapted into 4 manga series with sub-titles: Ninja Slayer, Ninja Slayer: Kyoto, Hell, On, Earth, Ninja Slayer Kills, and Ninja Slayer: Glamorous Killers. An anime adaptation was made by TRIGGER.
As of January 18, 2019, all of the Ninja Slayer novels and manga have sold 1.5 million copies.
|Part 1: Neo-Saitama in Flames (ネオサイタマ炎上, Neo Saitama Enjō)|
|1||Neo-Saitama in Flames 1||2||Neo-Saitama in Flames 2|
|3||Neo-Saitama in Flames 3||4||Neo-Saitama in Flames 4|
|Part 2: Kyoto: Hell on Earth (キョート殺伐都市, Kyōto Satsubatsu Toshi)|
|5||Kyoto: Hell on Earth 1, Shadow of Zaibatsu||6||Kyoto: Hell on Earth 2, Ninja and Geisha|
|7||Kyoto: Hell on Earth 3, Three Dirty Ninja-Bond||8||Kyoto: Hell on Earth 4, Nanchaku of Destruction|
|9||Kyoto: Hell on Earth 5, Reboot, Raven||8||Kyoto: Hell on Earth 6, Maguro and Dragon|
|11||Kyoto: Hell on Earth 7, Kyoto: Hell on Earth (Vol. 1)||12||Kyoto: Hell on Earth 8, Kyoto: Hell on Earth (Vol. 2)|
|Part 3: Ninja Slayer Never Dies (不滅のニンジャソウル, Fumetsu no Ninja Sōru)|
|13||Ninja Slayer Never Dies 1, Secret Society Amakudari Sect||14||Ninja Slayer Never Dies 2, Who Killed Ninja Slayer?|
|15||Ninja Slayer Never Dies 3, Killing Field Sappukei||16||Ninja Slayer Never Dies 4, Thunnus Thunderbolt|
|17||Ninja Slayer Never Dies 5, Dark Side of the Moon||18||Ninja Slayer Never Dies 6, Reforging the Hatred|
|19||Ninja Slayer Never Dies 7, The Longest Day of the Amakudari (Vol. 1)||20||Ninja Slayer Never Dies 8, The Longest Day of the Amakudari (Vol. 2)|
|Part 4: Age of Mappor-Calypse (エイジ・オブ・マッポーカリプス, Eiji Obu Mappōkaripusu)|
Supplementary Booklets Edit
Part 1: Neo-Saitama in Flames Edit
- Back in Black (バック・イン・ブラック, Bakku In Burakku) (Included with Ninja Slayer From Animation 1 BD/DVD, adapted into the opening of the anime)
- Day of the Lobster Trilogy (デイ・オブ・ザ・ロブスター[トリロジー], Dei Obu Za Robustā Torirojī) (Included with Ninja Slayer From Animation 2 BD/DVD)
- Guided by Masashi (ガイデッド・バイ・マサシ, Gaideddo Bai Masashi) (Included with Ninja Slayer From Animation 3 BD/DVD, adapted into Episode 25 of Ninja Slayer From Animation)
- Destroy the Shogi Bastard
- Ninja Slayer G: Karate Neon Cybernetica (Released December 1, 2018 at convention)