Rimuru Tempest is on the precipice of realizing his goals of uniting humans and monsters. He set his mind on this task when he first set foot on the Magic Continent after being reborn as a slime. Rimuru’s journey from ordinary reincarnated slime into a proper isekai protagonist is one for the books. His journey continues as he stands against those who would sabotage his plans for peace. We’ll see how well he fares when That Time I Got Reincarnated as a Slime (Tensei Shitara Suraimu Datta Ken / TenSura) Season 4 premieres on April 3rd, 2026. This season will run for five split cours.
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Fuse released the original That Time I Got Reincarnated as a Slime novel between February 20th, 2013, and January 1st, 2016, on the user-generated website Shosetsuka ni Naro. Mitz Vah provided the art for the light novel adaptation, which ran between May 30th, 2014, and November 29th, 2025. Micro Magazine published all 23 volumes and two extras in the GC Novels imprint. Taiki Kawakami provided art for the manga adaptation, which debuted on March 26th, 2015. Kodansha has since published 31 volumes in Monthly Shonen Sirius. Studio Eight Bit’s anime adaptation premiered on October 2nd, 2018.
That Time I Got Reincarnated as a Slime Cast
The slimy isekai protagonist and two of his cute friends are as follows:
- Rimuru Tempest — Miho Okasaki (Teruko from Demon Slayer: Kimetsu no Yaiba). Rimuru is the new slime form of a Japanese man. Reincarnated in a new world, evolution gave this slimy being a humanoid form.
- Hinata Sakaguchi — Manami Numakura (Brandish μ from Fairy Tail). Hinata is a ruthless girl, also from Japan. She arrived in this new world with the same temperament, which became a boon for the Western Holy Church.
- Shion — M・A・O (Fumika Sagisawa in The Idolmaster Cinderella Girls). Shion is Rimuru’s First Secretary. Despite the mundane title, her skills lie more in combat than anything secretarial.
Studio Eight Bit maintains a home page, a movie home page, an Instagram page, a TikTok page, and a Twitter (X) page to promote That Time I Got Reincarnated as a Slime. You can find more information about the series and the key visuals at those sites.
That Time I Got Reincarnated as a Slime and Became a Demon Lord
Satoru Mikami was an ordinary Japanese salaryman with no great ambitions. He lived an honest, hardworking, and kind life. Satoru is content with his life, despite his nonexistent love life. His colleague and friend, Tamura, and Tamura’s fiancée, Miho Sawatari, met him to seek advice. Their meeting was cut short when an assailant with a kitchen knife attacked Tamura. Satoru took the hit and died shortly afterward. Divinity then reincarnates him in another world as a sentient slime with limitless potential.
Satoru is reborn as the slime named Rimuru Tempest. Rimuru shares some similarities with his former self, but he considers them separate entities. This slime undergoes multiple evolutions and growths, eventually gaining a humanoid form and the power and title of a Demon Lord. He founded the Jura-Tempest Federation in the Jura Forest as part of his plan to foster unity between humans and monsters. However, the former Hero, Granbell Rosso, and his granddaughter, Mariabell Rosso, are part of an effort to end the peace.
Will you watch the premiere of That Time I Got Reincarnated as a Slime, Season 4, in April? Would you become an evolving slime in an isekai series? Who is your slimy best girl? Let us know in the comments below.
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