I've Been Killing Slimes for 300 Years and Maxed Out My Level: Story, Cast and Series Facts

Story and premise

After living a painful life as an office worker, Azusa ended her short life by dying from overworking. So when she found herself reincarnated as an undying, unaging witch in a new world, she vows to spend her days stress-free and as pleasantly as possible. She ekes out a living by hunting down the easiest targets—the slimes! But after centuries of doing this simple job, she's ended up with insane powers...how will she maintain her low key life now?

Series details

• Title: I've Been Killing Slimes for 300 Years and Maxed Out My Level
• Format: Animation
• Language: Japanese
• Genres: Anime, Fantasy
• Premiere date: 2021-04-10
• Status in TVmaze: Running
• Network listed by TVmaze: AT-X
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVmaze community rating: 5.4/10
• TVMaze ID: 54310
• IMDb ID: tt13248062
• TVDB ID: 389377

Cast and credited roles

• Minami Tanaka — Shalsha
• Aoi Yūki — Azusa
• Kaede Hondo — Laika
• Sayaka Senbongi — Falfa
• Sayaka Harada — Halkara

Seasons in the TVmaze catalogue

• Season 1: premiered 2021-04-10; final listed air date 2021-06-26; episode order: 12.
• Season 2: premiered 2025-04-05; final listed air date 2025-06-21.

Source and licence

Adapted from I've Been Killing Slimes for 300 Years and Maxed Out My Level on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.