| Ja Kanji: | 機動戦士ガンダム Twilight AXIS |
| Ja Romaji: | Kidō Senshi Gandamu Towairaito Akushizu |
| Genre: | Mecha, military science fiction |
| Type: | light novel |
| Author: | Kōjirō Nakamura |
| Illustrator: | ARK Performance |
| Publisher: | Sunrise |
| Demographic: | Seinen |
| Magazine: | Yatate Bunko |
| First: | 7 November 2016 |
| Last: | 28 December 2017 |
| Type: | ona |
| Director: | Se Jun Kim |
| Music: | Takashi Ohmama |
| Studio: | Sunrise |
| First: | 23 June 2017 |
| Last: | 1 September 2017 |
| Episodes: | 6 |
| Runtime: | 3 minutes (EP. 1-5), 6 minutes (EP. 6) |
| Type: | manga |
| Author: | Azusa Maxima |
| Publisher: | Kodansha |
| Demographic: | Seinen |
| Magazine: | Monthly Young Magazine |
| First: | 20 October 2017 |
| Last: | 20 March 2019 |
| Volumes: | 3 |
| Type: | film |
| Mobile Suit Gundam: Twilight AXIS Red Trace | |
| Director: | Se Jun Kim |
| Music: | Takashi Ohmama |
| Studio: | Sunrise |
| Released: | 18 November 2017 |
| Runtime: | 26 minutes |
is a Japanese light novel[1] series written by Kōjirō Nakamura and illustrated by ARK Performance, released by Sunrise under the Yatate Bunko imprint.[2] [3] It is the second Gundam media to feature a main female protagonist after Mobile Suit Gundam École du Ciel. Set after the events of Mobile Suit Gundam Unicorn and before the events of Mobile Suit Gundam F91, in which it focuses on two former Zeon remnants as they were hired to investigate the remains of the asteroid base Axis. The novel is loosely based on Richard Wagner's opera Tristan und Isolde.
An original net animation series was released by Sunrise from 23 June 2017 to 1 September 2017.[4] A theatrical compilation of the ONA series was released in theaters on 18 November 2017.[5]
Set months after the events of Mobile Suit Gundam Unicorn, the story focuses on two former Principality of Zeon Remnants, former weapons developer Arlette Almage and former test pilot Danton Hyleg. Both of them are hired by the Earth Federation Forces research team to investigate the remains of the asteroid base Axis. But upon their arrival, they encounter a Cyber Newtype, Quentin Fermo, who pilots the mysterious mobile suit, the RX-78AN-01 Gundam Tristan. Tristan attacks them for unknown reasons.
Sunrise officially launched their own light novel publication arm Yatate Bunko as a way to expand the stories of their previous franchises such as Gundam, Armored Trooper Votoms, King of Braves GaoGaiGar Final and Matchless Raijin-Oh through monthly light novel series.[7] The Twilight Axis light novel was written by Kōjirō Nakamura and illustrated by ARK Performance, the creative duo behind Arpeggio of Blue Steel. The first chapter was published in Yatate Bunko on 7 November 2016. Twenty chapters were published, with the last on 28 December 2017.
An original net animation series based on the novel was released by Sunrise on 23 June 2017 and ended on 1 September 2017,[8] exclusively for Gundam Fan Club members in Japan[9] It will be directed by Se Jun Kim with mecha designs from Shingo Abe and music by Takashi Ohmama.[10] A theatrical compilation of the ONA episodes, titled was released in theaters in Japan on 18 November 2017.[11]
A manga adaptation of the novel by Azusa Maxima was serialized in Kodansha's Monthly Young Magazine between 20 October 2017 and 20 March 2019 and collected into three volumes.[12] [13]
Similar to previous Gundam series, merchandise for Twilight AXIS will be released under the High Grade Universal Century 1/144 Gunpla line. Bandai announced a HGUC 1/144 scale model of the RX-78AN-01 Gundam AN-01 Tristan for a June 2017 release to coincide with the anime's release.[14] An exclusive P-Bandai HGUC 1/144 Zaku III Custom was also announced.