The Slime Diaries: That Time I Got Reincarnated as a Slime

Alternate Titles

転生したらスライムだった件 転スラ日記
Tensei Shitara Slime Datta Ken: TenSura Nikki

Synopsis

The popular 4-panel manga spin-off becomes an anime spin-off! Follow the mischievous and humorous Rimuru and their friends in Tempest as they enjoy their daily lives!

Background

That Time I Got Reincarnated as a Slime, also known as TenSura, is an isekai light novel series written by Fuse and illustrated by Mitz Vah that began being published to the user-generated novel publishing site Shosetsuka ni Naro in February 2013. The series was acquired by Micro Magazine in May 2014 and is published under their GC Novels imprint.

A manga adaptation by Taiki Kawakami began in Kodansha’s Monthly Shonen Sirius magazine in 2015. This was followed by several spin-offs. The first, titled That Time I Got Reincarnated as a Slime: How Monsters Walk (Tensei Shitara Suraimu Datta Ken: Mamono no Arukikata), is illustrated by Sho Okagiri and has been serialized on Micro Magazine's Comic Ride website since July 2016. The second is the 4-panel manga The Slime Diaries: That Time I Got Reincarnated as a Slime (Tensura Nikki: Tensei Shitara Suraimu Datta Ken) illustrated by Shiba and serialized in Kodansha’s Monthly Shonen Sirius magazine since March 2018. The third is That Time I Got Reincarnated (Again!) as a Workaholic Slime (Tensei Shitara Shachiku Datta Ken) illustrated by Shizuku Akechi and serialized on the Niconico website since September 2018. The fourth is That Time I Got Reincarnated as a Slime: Strange Tale ~Trinity Living in Tempest (Tensei Shitara Slime Datta Ken: Ibun Makuni Kurashi no Trinity) illustrated by Tae Tono and serialized in the webcomic Suiyobi no Sirius. And the fifth is That Time I Got Reincarnated for Island Farming (Tensei Shitara Shima Kosaku Datta Ken) supervised by Fuse and written by Kenshi Hirokane and Yasuki Kawakami that began serialization in the March 2019 issue of Evening.

The Slime Diaries: That Time I Got Reincarnated as a Slime is a spin-off anime. The series is once again being animated by studio 8 Bit and features Yuji Ikuhara as director with Kotatsumikan handling series composition, Atsushi Irie and Risa Takai handling character designs, and R.O.N composing the music. The anime’s opening theme song is "Brand new diary" by Akane Kumada. The anime was originally scheduled to premiere in January 2021 but was postponed due to the COVID-19 pandemic and will instead premiere on April 6, 2021 on Tokyo MX, MBS, BS11, and other channels

Characters

Rimuru (Voiced: Miho Okazaki)
A 37-year-old salaryman, Satoru Mikami was stabbed in a random attack and died only to be reincarnated as a slime known as Rimuru. Making use of the two unique skills he was reincarnated with, “Great Sage” and “Predator," Rimuru is able to become friends with many other kinds of creatures even as a slime.

Great Sage (Voiced: Megumi Toyoguchi)
The Great Sage is one of two unique skills Rimuru was granted with for his reincarnation. Whenever something happens to Rimuru’s body, a tiny voice that only Rimuru can hear offers guidance, sometimes also adding other relevant information…

Veldora (Voiced: Tomoaki Maeno)
Veldora is the first dragon Rimuru meets. Known as “Storm Dragon,” Veldora was shut up in a cave by a hero for 300 years.

Benimaru (Voiced: Makoto Furukawa)
Benimaru is the son of a chief ogre whose family was wiped out in an orc attack. He has flame red hair and eyes with two jet black horns on his head. Benimaru has a strong sense of justice and bravely stands up to the things he thinks are wrong.

Shuna (Voiced: Sayaka Senbongi)
Shuna is Benimaru’s little sister and the princess of the ogres. She has pale pink hair and porcelain white horns on her head. Aside from her beautiful appearance, Shuna has also been blessed with an excellent fashion sense and cooking ability.

Shion (Voiced by: M.A.O)
Shion is an ogre with purple hair and eyes with one shiny black horn in the middle of her head. At first glance she has a cool beauty but hides an intense fighting spirit.

Soei (Voiced by: Takuya Eguchi)
Soei is an ogre with blue-black hair, dark skin, and one large white horn on his head. Thanks to his calm, cool personality he excels at covert missions.

Hakuro (Voiced by: Houchu Otsuka)
Hakuro is an older ogre in the service of Benimaru. Despite his age, Hakuro remains a superior swordsman.

Kurobe (Voiced by: Junichi Yanagita)
A companion of Benimaru and his friends who escaped from the village of the ogre tribe. He has a pair of small horns on his forehead and is skilled in his family's trade, sword smithing.

Rigurd (Voiced by: Kanehira Yamamoto)
Rigurd is a frail old goblin and the chief of the Goblin Village. Rimuru recruits him to join Tempest to govern over the sub-leader goblins as the Goblin King.

Gobta (Voiced by: Asuna Tomari)
Geld is a small hobgoblin and the leader of the goblin raiders who serves Rimuru. Though smaller than other hobgoblins, he is skilled enough with a sword to be able to defeat big monsters.

Ranga (Voiced by: Chikahiro Kobayashi)
The son of the chief of the Fanged Wolf Clan, Ranga is a well-built beast with a single jutting horn in the center of his forehead. Using the pretext of Veldora’s disappearance, the Fanged Wolf Clan attacked the village of the goblins who had become the forest’s dominant group.

Kaijin (Voiced by: Atsushi Ono)
A dwarven blacksmith who runs an armor shop in the Dwarven capital city of Dwargon. Garm, Dold, and Myrd. Kaido, the captain of the guard, is his younger brother.

Geld (Voiced by: Kenji Nomura)
Geld is an orc whom Rimuru named after defeating the Orc Lord and made the lord of the High Orcs in Tempest and commander of their army.

Gabiru (Voiced by: Jun Fukushima)
Gabiru is the son of the chieftain of the lizardmen. After being banished by his father he begins serving Rimuru who names him and causes him to evolve into a Dragonewt.

Soka (Voiced by: Rumi Okubo)
Gabiru’s younger sister. When her brother rebelled and imprisoned the chieftain, she escaped from the village and sought help from Rimuru. At first she had no name, but Rimuru gave her one.

Vesta (Voiced by: Kenjiro Tsuda)
The minister of the Dwarven capital city of Dwargon. He has known Kaijin for a long time, but has been harassing him with unreasonable requests. His lies are discovered by King Gazel, and he is banned from entering the royal palace and loses his position.

Treyni (Voiced by: Rie Tanaka)
Treyni is a dryad who guards the Great Forest of Jura together with other dyads. She forms an alliance with Rimuru to establish Tempest.

Youm (Voiced by: Yoshimasa Hosoya)
The leader of a survey team sent by the Kingdom of Falmuth to Jura Forest to investigate the Orc Lord.

Eren (Voiced by: Akane Kumada)
A sorcerer who is one of the adventurers who belong to the Free Guild. She has a cheerful and positive personality.

Gido (Voiced by: Ryuichi Kijima)
A thief adventurer belonging to the Free Guild. He speaks with a distinctive accent. His trademark is his bandana.

Kaval (Voiced by: Kengo Takanashi)
An adventurer belonging to the Free Guild. He is a fighter and the leader of a group of three, and he has a strong sense of justice but also a tendency to be careless.

Fuze (Voiced by: Ken Narita)
The head of the Kingdom of Blumund branch of the Free Guild. When he senses that Veldora's presence has disappeared, he sends Kabal and the others to investigate.

Gazel (Voiced by: Takaya Hashi)
The third dwarf king of Dwargon. He is a sturdy and strong man, and is also called the Hero King. He is trusted by the Dwarven people.

Shizu (Voiced by: Yumiri Hanamori)
A woman who meets Rimuru and has a great influence on his fate. She controls an exceptionally strong power of fire. Originally a Japanese who lived in Tokyo during the war, she was summoned to this world by the Demon Lord.

Clayman (Voiced by: Takehito Koyasu)
A new generation Demon Lord born 400 years ago. He attempted to manipulate Gelmud to create a Demon Lord, but it ended in failure. He is also trying to advance a new scheme.

Mjurran (Voiced by: Atsumi Tanezaki)
A mysterious woman who has been chosen to accompany the heroic Youm in recognition of his abilities (or lack thereof).

Milim Nava (Voiced by: Rina Hidaka)
Milim Nava is a Dragonoid also known as Destroyer. She is the oldest and strongest of the Demon Lords. Realizing Rimuru was no ordinary person, she decided to show herself.

Ramiris (Voiced by: Anzu Haruno)
Ramiris is one of the Demon Lords who controls an alternate dimension called the labyrinth. She loves manga and shares her hobby with Veldora.

Diablo (Voiced by: Takahiro Sakurai)
Diablo is Rimuru’s strongest subordinate and is one of the primordial seven dragons who was summoned by Rimuru during his ascension to being a Demon Lord. He is utterly loyal to Rimuru and forms the Black Numbers unit of highly trained demons who serve as Tempest’s strongest soldiers.

Music

• Opening Theme Song: "Brand new diary" by Akane Kumada

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• Original Creator: Fuse, Shiba
• Original Character Design: Mitz Vah
• Director: Yuji Ikuhara
• Animation Director: Shintaro Inokawa, Shin Tosaka
• Series Composition: Kotatsumikan
• Character Design: Atsushi Irie, Risa Takai
• Art Director: Ayumi Sato
• Color Design: Maki Saito
• Director of Photography: Hiroshi Sato
• CGI Director: Yuji Ikuhara, Fuma Aizawa
• Editing: Yumi Jinguji
• Sound Director: Jin Aketagawa
• Music: R.O.N
• Animation Production: 8 Bit