| That Time I Got Reincarnated as a Slime | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
 First light novel volume cover, featuring Shizue (right), Ranga (left), Gobta (top left), and Rimuru (front) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 転生したらスライムだった件 (Tensei Shitara slime Datta Ken) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Genre | Isekai[1] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Written by | Fuse | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Published by | Shōsetsuka ni Narō | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Original run | February 20, 2013 –January 1, 2016 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 Anime and manga portal | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
That Time I Got Reincarnated as a Slime (Japanese:転生したらスライムだった件,Hepburn:Tensei Shitara Suraimu Datta Ken;lit. 'The Story of My Reincarnation as a Slime'), also known asRegarding Reincarnated to Slime[a] and by the contractionTenSura (転スラ), is a Japanese fantasylight novel series written byFuse [ja], and illustrated by Mitz Vah. The story follows Satoru Mikami, asalaryman who is murdered and then reincarnated in asword and sorcery world as the titularslime, who goes on to gather allies to build its own nation of monsters.
It was serialized online from 2013 to 2016 on the user-generated novel publishing websiteShōsetsuka ni Narō. It was later acquired by Micro Magazine, who published the story as a series of light novels from 2014 to 2025 for twenty-three volumes. The light novels have been licensed in North America byYen Press, which published the first volume in December 2017. It has received amanga adaptation published byKodansha along with five manga spin-offs published, by Micro Magazine and Kodansha, respectively. It has received ananime television series adaptation, produced byEight Bit, which aired from October 2018 to March 2019. A second season of the anime series aired from January to September 2021, and an anime adaptation of the second spin-off manga aired from April to June 2021. Ananime film was released in November 2022. A three-episodeoriginal net animation spin-off, titledVisions of Coleus was released in November 2023. A third season aired from April to September 2024. A fourth season is scheduled to be released in April 2026. A second film is set to be released in February 2026.
Satoru Mikami is an ordinary 37-year-old corporate worker living in Tokyo. He is almost content with his monotonous life, despite the fact that he does not have a girlfriend. During a casual encounter with his colleague, an assailant tries to stab his friend, and Satoru pushes his friend out of the way and gets stabbed instead. While succumbing to his injuries, a mysterious voice echoes in his mind and asks a series of questions. In response to Satoru's answers, the voice grants him various gifts and powers to use in his next life.
After regaining consciousness, Satoru discovers that he has been reincarnated as a Slime in an unfamiliar world. At the same time, he also acquires newfound skills, particularly the ability called "Predator," which allows them to devour anything and mimic its appearance and skills. He stumbles upon Veldora, a powerful 'Storm Dragon', who has been sealed for the last 300 years for reducing a town to ashes. Feeling sorry for him, Satoru befriends the dragon, promising to help him in destroying the seal. He decides to exchange names, Veldora bestows upon them the name Rimuru, and he receives the surname Tempest in return. Rimuru then consumes the dragon together with his prison in order to analyze the spell and eventually free Veldora. During their journey, he gains a human form after devouring a deceased human named Shizue Izawa.
The disappearance of Veldora's aura creates a power vacuum, which eventually makes Rimuru the leader of all beings inhabiting the Great Forest of Jura, who accept them as a ruler and together, they establish the nation of Tempest. With Rimuru's strength, wisdom, and idealistic vision, the new nation quickly grows in strength and influence. Soon Rimuru and their subjects draw the attention of nearby foreign powers, from monarchs and legendary heroes to demon lords, some seeking to become their allies, others intending to take advantage of or destroy them completely.
Fuse originally serialized the series as aweb novel on the user-generated content siteShōsetsuka ni Narō between February 20, 2013, and January 1, 2016.[2][3] The series was acquired for print publication by Micro Magazine, which published the firstlight novel, with illustrations by Mitz Vah, under their GC Novels in May 2014.[2][4] On April 15, 2017, English publisherYen Press announced during their panel atSakura-Con that they had licensed the series for release in North America.[5]
A spin-off web novel series set between the ninth and tenth volumes of the light novel, titledToaru Kyūka no Sugoshi-kata (How to Spend a Certain Holiday), began serialization onShōsetsuka ni Narō on February 20, 2023.[6]
Taiki Kawakami launched amanga adaptation inKodansha'sshōnen manga magazineMonthly Shōnen Sirius on March 26, 2015.[7]Kodansha USA announced their license to the manga during their panel atNew York Comic Con on October 6, 2016.[8]
A spin-off manga, titledThat Time I Got Reincarnated as a Slime: The Ways of the Monster Nation (転生したらスライムだった件～魔物の国の歩き方～,Tensei Shitara Suraimu Datta Ken: Mamono no Arukikata), with art by Shō Okagiri, was serialized in Micro Magazine'sComic Ride web magazine between July 28, 2016, and March 1, 2021.[2][9][10] The series was later cancelled due to the poor health of the artist.[11]
A second spin-off manga, titledThe Slime Diaries: That Time I Got Reincarnated as a Slime (転スラ日記 転生したらスライムだった件,Tensura Nikki: Tensei Shitara Suraimu Datta Ken), with art by Shiba, has been serialized in Kodansha'sshōnen manga magazineMonthly Shōnen Sirius since March 2018, compiled into seven volumes as of January 2024, and licensed in English byKodansha USA.
A third spin-off manga, titledThat Time I Got Reincarnated (Again!) as a Workaholic Slime (転生しても社畜だった件,Tensei Shitara Shachiku Datta Ken) and illustrated by Shizuku Akechi began serialization inKodansha'sNiconico-basedSuiyōbi no Sirius manga web platform on September 26, 2018, and has been compiled into two volumes as of March 27, 2020.[12][13] On June 3, 2020,Kodansha USA announced that it has licensedThat Time I Got Reincarnated (Again!) as a Workaholic Slime.[14]
A fourth spin-off manga, titledTensei Shitara Slime datta Ken Ibun - Makoku Gurashi no Trinity (転生したらスライムだった件 異聞 ～魔国暮らしのトリニティ～), with art by Tae Tono began serialization inSuiyōbi no Sirius on March 14, 2019.[15] On March 18, 2020,Kodansha USA announced their license to the manga for a print release under the titleThat Time I Got Reincarnated as a Slime: Trinity in Tempest.[16]
A fifth spin-off, ayonkoma titledTenchura! Tensei Shitara Slime Datta Ken (転ちゅら！ 転生したらスライムだった件), with art by Chacha, began serialization inMonthly Shōnen Sirius on February 26, 2019. This story differs from the main one after Rimuru's encounter with Shizu, when they learn how to mimic a human body. However, the body they create is that of a three-year-old.[17]
A sixth spin-off manga centered around Demon Lord Clayman, titledTensei Shitara Slime Datta Ken: Clayman Revenge (転生したらスライムだった件クレイマンREVENGE) (That Time I Got Reincarnated as a Slime: Clayman's Revenge), with art by Wataru Kajika began serialization inMonthly Shōnen Sirius on April 26, 2022.[18]
A seventh spin-off manga, titledThat Time I Got Reincarnated as a Slime: Gourmet Legend: Peko and Rimuru's Cooking Notebook, with art by Chika Nakatani will begin serialization inMonthly Shōnen Sirius on April 26, 2023.[19]
A manga adaptation of theToaru Kyūka no Sigoshi-kata web novel illustrated byYuzo Takada began serialization inMonthly Shōnen Sirius on July 26, 2023.[6][20] The manga is set to end serialization on May 26, 2025.[21]
At theAnimeJapan 2021 special stage for the franchise, a free-to-playrole-playing game app, titledTensei Shitara Slime Datta Ken: Maō to Ryū no Kenkoku-tan (That Time I Got Reincarnated as a Slime: The Saga of How the Demon Lord and Dragon Founded a Nation), was announced. It is developed byBandai Namco Entertainment and was released in 2021.[22] The game was released in English under the titleThat Time I Got Reincarnated as a Slime: ISEKAI Memories.[23]
In August 2024 another game,That Time I Got Reincarnated as a Slime ISEKAI CHRONICLES, was released.[24][25][26]
The mobile gameThe Seven Deadly Sins: Grand Cross had a crossover event where some of the characters of the series could be obtained for a limited time.[27] A similar event occurred in the Japanese version of the mobile gameYo-kai Watch: Wibble Wobble.[28]
The light novel series had over 4.5 million volumes in print by October 2018.[2] It was the fifth best-selling title of 2018 with 539,277 light novel sales,[29] and its manga adaptation was the ninth best-selling title of 2018 with 3,460,066 copies.[30] It also became the first manga series based on a light novel with at least 20 million total copies in print.[31] By March 2021, it had over 24 million copies in circulation.[32] In May 2021 it reached 25 million.[33] In January 2022, it had over 30 million copies in circulation.[34] In February 2023, it had 40 million copies in circulation, with 35 million copies in Japan and 5 million copies overseas.[6]
The light novel ranked eighth in 2017 inTakarajimasha's annual light novel guide bookKono Light Novel ga Sugoi!, in thetankōbon category;[35] it ranked sixth in 2018;[36] and fifth in 2019.[37]
In 2017, the manga adaptation was ranked fifth at the thirdNext Manga Awards in the print category.[38] The manga adaptation (along with its light novels) also won the 2018BookWalker Award.[39] It was nominated for the 45thKodansha Manga Award in theshōnen category in 2021;[40] it won the 46th edition in the same category in 2022.[41]
