#I’ve Been Killing Slimes for 300 Years Season 2 Premieres in 2025, Teaser Visual and New Staff Revealed

I’ve Been Killing Slimes for 300 Years and Maxed Out My Level‘s second season will begin airing in 2025 with the title of I’ve Been Killing Slimes for 300 Years and Maxed Out My Level ~So no Ni~ (Part 2).

A teaser visual for the new season was released, and it was also revealed that it is under a different staff and studio. Teddy is producing, and the staff includes Kunihisa Sugishima (Battle Spirits: Shounen Toppa Bashin) as director, Naohiro Fukushima (My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World!) as series composer, and Hikaru Kodama (Doctor Elise: The Royal Lady with the Lamp sub-character designer) as character designer. Keiji Inai is returning as music composer.

Reprising their roles are Aoi Yuuki as Azusa, Kaede Hondo as Laika, Sayaka Senbongi as Falfa, Minami Tanaka as Shalsha, Sayaka Harada as Halkara, Minami Numakura as Beelzebub, Azumi Waki as Fratorte, Riho Sugiyama as Rosalie, and Yukari Tamura as Pecora.  

The first season of I’ve Been Killing Slimes for 300 Years and Maxed Out My Level aired from April 2021 to June 2021. It is based on the isekai fantasy anime light novel series written by Kisetsu Morita and illustrated by Benio, which is published under the GA Novel label. The story began as a web novel published by Morita on the Shousetsuka ni Narou website in June 2016. 

The light novel series started in July 2017 and has 24 volumes as of November 2023. A manga adaptation began in December 2018. There are also multiple spin-offs.

Crunchyroll describes the I’ve Been Killing Slimes for 300 Years and Maxed Out My Level anime as:

After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!