I’ve Been Killing Slimes for 300 Years and Maxed Out My Level Gets New Visuals and Trailer, Set For April 10 Release

The I’ve Been Killing Slimes for 300 Years and Maxed Out My Level anime has received two new visuals and a new promotional video. The anime is set to premiere on April 10.

The staff includes Nobukage Kimura (Gatchaman Crowds Insight assistant director) as director, Tatsuya Takahashi (Idoly Pride) as series composer, Keisuke Gotou (Babylon) as character designer, Emi Honda (Shadowverse animation director) as sub character designer, Ken Naito (Scar on the Praeter) as art director, Satoshi Takezawa (Digimon Adventure) as color designer, Souta Mikami (World’s End Harem) as photography director, and Keiji Inai (Burn The Witch) as music composer. REVOROOT is in charge of the animation production. 

Meanwhile, the cast includes Aoi Yuuki (So I’m a Spider, So What?) as Azusa, Kaede Hondo (Wandering Witch: The Journey of Elaina) as Laika, Sayaka Senbongi (BEASTARS) as Falfa, Minami Tanaka (Hitori Bocchi no Marumaru Seikatsu) as Shalsha, Sayaka Harada (Planet With) as Halkara, Minami Numakura (No Guns Life) as Beelzebub, Azumi Waki (I’m Standing on a Million Lives) as Fratorte, Riho Sugiyama (Wave, Listen To Me!) as Rosalie, and Yukari Tamura (Higurashi: When They Cry – Gou) as Pecora.  

I’ve Been Killing Slimes for 300 Years and Maxed Out My Level is based on a light novel series written by Kisetsu Monta and illustrated by Benio. The story began as a novel published by Monta on the Shousetsuka ni Narou website in June 2016. The light novel series started in July 2017 and saw the release of its 15th volume in January 2021. A manga adaptation began in December 2018 and released its seventh volume in September 2020. There is also a spin-off called I Was a Bottom-Tier Bureaucrat for 1,500 Years, and the Demon King Made Me a Minister with both a light novel and manga series. 

Yen Press describes the manga as:

From corporate slave to a laid-back witch-reincarnation’s a pretty sweet deal! Or so Azusa believes until her maxed-out status comes to light…In this new manga adaptation of the original novel, enjoy the hilarity that ensues as Azusa attempts to evade all forms of adventure and regain her lazy life!


Source: I’ve Been Killing Slimes for 300 Years and Maxed Out My Level website, I’ve Been Killing Slimes for 300 Years and Maxed Out My Level 2nd PV YouTube description

Melvyn originally wanted to write about video games, and he did so for a few years, starting from his college days. He still writes about video games sometimes, but now focuses on anime-related news content and the occasional review. Some of his free time is spent self-learning Japanese, both out of interest in the language and because English-translated light novels and manga are expensive. Every anime season, Melvyn looks forward to discovering new standout episodes and OP/ED animation sequences, as well as learning about the storyboard artists and directors behind them.
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