On the official site for the animated adaptation of light novels by Morita Kisetsu and illustrated by Benio, Slime Taoshite 300-nen, Shiranai Uchi ni Level Max and Nattemashita ((I've been killing slime and maxing my level for 300 years) the sixth promotional image of the project was published.

The series premieres on April 10 in Japan while the platform Crunchyroll will be responsible for sales in the west. For their part, Kisetsu and Benio began to publish the light novels through the publisher SB Creative in 2016. A manga adaptation by the hand of Shiba will be published on the website Gangan Online from the publisher Square enix since June 2017.


  • Aoi Yuuki like Azusa.
  • Kaede hondo like Laika.
  • Sayaka Senbongi like Falfa.
  • Minami Tanaka like Shalsha.
  • Sayaka Harada like Halkara.
  • Manami Numakura like Beelzebub.
  • Azumi Waki like Fratorte.

Production team

  • Nobukage Kimura ((Tsuritama, Gatchaman Crowds Insight) is responsible for directing the anime in the studios Revoroot.
  • Tatsuya Takahashi ((The Idolmaster Cinderella Girls, Netoge no Yome wa Onna no ko ja Nai after Omotta?) is responsible for writing and monitoring the scripts.
  • Keisuke go ((Fate / Grand Order: First Order, Babylon) is responsible for the character design.
  • Keiji Inai ((DanMachi, Ōshitsu Kyōshi Heine) is responsible for composing the soundtrack.
  • Aoi Yuuki performs the opening song entitled "Gudafuwa Every Day (ぐ だ ち わ エ γƒ– γƒͺ デ γƒΌ)".

Synopsis of Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita

The ordinary office worker Azusa Aizawa suddenly dies of exhaustion. For this reason, after reincarnation as an immortal witch in a 17-year-old body, she decides to lead a quiet life in the mountains. His main source of resources is defeating the slimes in the area to get magic stones, which he sells to the guild in town. He also usually makes medicinal herbs. All of this brings her the name "Witch of the Mountains" and has been met with respect and trust by the people until now. After defeating Slime for over 300 years, her experience has built up so much that she has reached level 99, which makes her the most powerful witch in the world.

Source: Comic Natalie

(c) SB


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One of the best parts of watching anime is how many times a show can surprise you. Sometimes for good, sometimes for bad. But if the Otaku know one thing, it's that anything is possible.

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