2002 Japanese media franchise
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 is a series of light novels written by Shoji Gatoh and illustrated by Shikidouji. The series follows Sousuke Sagara, a member of the covert anti-terrorist private military organization known as Mithril, tasked with protecting Kaname Chidori, a hot-headed Japanese high school girl born with strange abilities that attracts the attention of various antagonistic groups. 
Individual chapters are published on "Monthly Dragon Magazine", followed by a paperback compilation released by Fujimi Shobo's Fujimi Fantasia Bunko. The novels are split between stories focusing on Sousuke's mission as a soldier of Mithril and comedic side stories centered on his life at Jindai High School.
The series has been adapted into different media; including four anime television series: "Full Metal Panic!" by Gonzo in 2002, "Full Metal Panic? Fumoffu" and "Full Metal Panic! The Second Raid" by Kyoto Animation in 2003 and 2005 respectively. An OVA was also released in 2006; and the newest television series, "Full Metal Panic! Invisible Victory" by Xebec, premiered in April 2018. The series also had several different manga series.
Tokyopop licensed the novels for English-language publication in North America and released parts of the series, while ADV Films licensed and dubbed the first season and the spin-off. The second season was licensed by Kadokawa Pictures USA with ADV Films producing the dub yet again. Mandalay Pictures acquired the film rights to the series in 2009. At Anime USA 2009, Funimation announced that it had acquired the rights to the first and second series of "Full Metal Panic!" and both were re-released and remastered on DVD and Blu-ray in 2010. The series began airing in North America on November 22, 2010, on the Funimation Channel. The "Fumoffu" series made its North American television debut on the Funimation Channel on November 15, 2010.
A spin-off to the light-novel series called "Full Metal Panic! Another" was serialized between 2011 and 2016. "Another" received a manga adaptation split in two series. The light novels have sold 11 million copies.
Synopsis.
Setting.
The series is set in a alternate history, based upon actual world events around the late 20th century to the early 21st century. The story begins in Heisei 10 (1998 A.D.), where the Cold War has yet to end. China has split into a north and south, with Hong Kong being split much like Berlin. The major differences between real life Earth and the "Full Metal Panic!" universe are:
A number of other details differentiates the fictional world. Common changes occur in the Japanese names, as they use homonyms to the names of real life locations. The fictional Jindai High School is based on the real life Jindai High School in Chōfu, Tokyo. The closest station to the real life Jindai High School is the Sengawa Station, changed from Sengawa to Izumikawa. The Japanese calendar of Heisei is altered from Heisei to Hiramasa.
Plot.
The series follows Sousuke Sagara, a member of a covert anti-terrorist private military organization known as Mithril, tasked with protecting Kaname Chidori, a spirited Japanese high school girl. He moves to Japan to study at Chidori's school, Jindai High School, with assistance from his comrades Kurz Weber and Melissa Mao. Having never experienced social interactions, Sousuke is seen as a military maniac by his schoolmates as he interprets everyday situations from a combat perspective. He comes to relate with Chidori who realizes that Sousuke is protecting her, but he does not reveal the reasons due to orders as well as the fact that he does not know why Chidori is being targeted by different organizations.
Development.
When starting the series, Shoji Gatoh commented that as the series' theme was "Boy Meets Girl". Gatoh worked in the order to keep that as the focus regardless of the several other conflicts the story presented. Gatoh and Shiki Douji had a close relationship in the making of the novels. Gatoh gave Douji freedom in the design of the characters such as Sagara and Leonardo who were given multiple traits. On the other hand, Gatoh also gave Douji references for "gentlemen" featured in the story.
In the making of the series Gatoh did not find difficulties in creating a balance between sci-fi and realistic elements since multiple Japanese series like "Tetsujin 28" and "Mazinger Z" already provide the demographic a mixture between those elements. Originally, Douji felt that the characters were too realistic. Believing the teenage demographic would not like them, the author changed them so that were seen as cooler characters. While the duo did not have difficulties with the novels' serious storylines, they still had problems with comedy.
Chidori and Sousuke's relationship was based on Japanese comedy due to how the two interact. To create a more interesting dynamic between the two leads, Gatoh wanted to change the ways Sagara and Chidori interact as he was tired of female characters requiring to be protected in the making for the light novels. As a result, Chidori instead supports Sagara multiple times.
Media.
Light novels.
The light novel series "Full Metal Panic!" is written by Shoji Gatoh and illustrated by Shikidouji. It was serialised by Fujimi Shobo in its monthly magazine "Gekkan Dragon Magazine" since June 1998 and published under the Fujimi Fantasia Bunko imprint in tankōbon format since September 1998. Gatoh often found delays in writing of the novels, which led to delays to the publication of the series' volumes. The series focuses on Sergeant Sousuke Sagara's arrival to the Jindai High School where he was assigned to protect the student Kaname Chidori while also acting as a student.
A total of twelve full length volumes have been released from September 18, 1998, to August 20, 2010. In parallel to the twelve volumes, nine standalone light novels of the series (which form the short story collection) have also been published from December 17, 1998, to August 20, 2011. Finally two more volumes titled "Side Arms" focusing on the past of some characters (which form the side story collection) and the birth of Mithril and Amalgam have been published on April 20, 2004, and July 20, 2006. In contrast to the full length volumes, short story collection focuses on the comedy elements from the series. In January 2010, Gatoh wrote another of these stories in celebration of "Gekkan Dragon Magazine"'s 300th issue, which has been included in the last short story collection volume. Another series of spin-off novels, "Full Metal Panic! Another", has been released by Naoto Ōguro with supervision of Shoji Gatoh, and also illustrated by Shikidouji, from August 20, 2011, to February 20, 2016, consisting of thirteen volumes and set years after the original series' ending. The light novels have also been adapted into various manga, as well as three anime television series and an OVA episode for which Gatoh was also part of the staff.
Tokyopop licensed the "Full Metal Panic!" series for North America release, publishing the first regular light novel on September 11, 2007. The latest released volume is the fourth on February 1, 2011, which is a compilation from the original fourth and fifth full-length volumes from the series. No short story collection volumes nor side story collection ones have been published and the company has shut down its publishing operations in North America on May 31, 2011. In 2015, at Anime Expo and San Diego Comic-Con, Tokyopop announced that it would be relaunching its publishing operations in North America in 2016 and that they will consider light novels, but nothing has been disclosed about "Full Metal Panic!" novels publication.
On March 18, 2019, J-Novel Club announced that all the original 12 novels will be translated again and released in English. The series was released as e-books starting that year, with the final volume released in 2021. Hardcover "Collectors Editions," each compiling three novels per volume, were released by J-Novel Club from 2020 to 2022. On July 1, 2022, J-Novel announced that they were translating the short stories. They were released as e-books starting that year, with the final volume released in 2023. On October 3, 2023, Podium Audio released an audiobook version of the first volume.
On May 19, 2023, Kadokawa announced that a new "Full Metal Panic!" series will be published, centering on Sousuke and Kaname two decades after the events of "FMP!" The first volume of the series, titled "Full Metal Panic! Family", was released on January 19, 2024.
Manga.
The "Full Metal Panic!" light novel series has been adapted to manga on multiple occasions. The first manga series: "Full Metal Panic", was serialized in Monthly Comic Dragon by Retsu Tateo. This manga was collected in nine "tankōbon" volumes published from August 30, 2000, to July 1, 2005. Announced in July 2003, "Full Metal Panic!" became one of the first manga series licensed by ADV Manga. They released all of the volumes between November 10, 2003 and April 11, 2006.
A parallel series titled which focused more on the comedic elements from the franchise was also written by Retsu Tateo and ran for seven volumes between November 1, 2003, and September 1, 2006.
 was a spin-off series by Tomohiro Nagai. Five volumes were released between January 30, 2001, and April 1, 2003. "Overload" was licensed by ADV Manga in December 2004, and all of its volumes were published in English between June 6, 2005, and May 24, 2006. 
Tomohiro Nagai also wrote which is a single "tankōbon" manga published on July 1, 2003, focused more on the action elements from the franchise.
, written by Shoji Gatoh and illustrated by Hiroshi Ueda, focuses on the missions of Sousuke as a sergeant. The first volume was published on August 1, 2005, and the final volume: the nineteenth, was published on September 20, 2013. The story and events of this manga adaption are based on the fourth "Full Metal Panic!" light novel and onwards.
A manga adaptation of the "Full Metal Panic! Family" novels with illustrations by Ohige Kamisori is set to begin serialization in the "Monthly Dragon Age" magazine on December 9, 2024.
Anime.
"Full Metal Panic!".
The anime series was produced by Gonzo Digimation and originally aired in 2002 after its original air date was canceled because of the September 11 attacks. The series was licensed by ADV Films for North American release in 2003. The first three novels form the basis for the anime. The series was available on the Anime Network on Demand from 2003 to 2004.
The production of 3 director's cut movies based on the first television series was announced in 2017. The "1st SECTION Boy Meets Girl" premiered on November 25, 2017, at Kadokawa Cinema Shinjuku in Japan, 
"2nd SECTION One Night Stand" premiered on January 13, 2018, and "3rd SECTION Into the Blue" premiered on January 20, 2018. Home video releases for the films were planned for February 28, 2018, for the 1st film, followed by March 28 for the 2nd film, and April 28 for the 3rd film.
"Fumoffu".
 is a companion series to the anime series "Full Metal Panic!" by Kyoto Animation, and takes place between the first season and "The Second Raid". Markedly different in tone to the first series, "Fumoffu" is based on the more comical short stories Gatou published alongside the main novels, emphasizing the high school romantic comedy aspects of "Full Metal Panic!" with often crude humor and focuses on the romantic tension between Sousuke Sagara and Kaname Chidori. It frequently parodies itself and anime stereotypes. None of the mecha combat or political intrigue, which characterized much of the original "Full Metal Panic!", can be seen in the series. The only reference to the mecha aspect of "Full Metal Panic!" is the Bonta-kun, which is one of the most prominent parodies in the anime. Sousuke uses spare Bonta-kun costumes to make highly effective suits of power armor, but they look like teddy bears wearing army gear and can only say: "Fu" and "Mo" in different combinations.
"The Second Raid".
 is the direct sequel to the original anime series. It was produced by Kyoto Animation and ran for 13 episodes. The series is based on the "Ending Day by Day" novels and takes place three months after the events that occurred in the "Tuatha de Danaan" at the end of the original "Full Metal Panic!" series. Mithril learns of a secret organization that has technology able to counter the ECS (Electronic Conceal System) mode. The organization, known as Amalgam, has access to "Black Technology", which was obtained from the Whispered. Like the other intelligence