# Slime Taoshite 300-nen, Shiranai Uchi ni Level MAX ni Nattemashita
*Also known as: I've Been Killing Slimes for 300 Years and Maxed Out My Level / スライム倒して300年、知らないうちにレベルMAXになってました*

## Facts
- Format: TV
- Status: concluded
- Year: 2021
- Season: SPRING

## Renewal Score
**Slime Taoshite 300-nen, Shiranai Uchi ni Level MAX ni Nattemashita** has a **55% renewal probability** on Courcast (confidence: 80%) as of 2026-06-03.

## Synopsis
An at-home comedy about a powerful girl who doesn’t work too hard!(⋈◍ ˃ᴗ˂ ◍)。✧♡
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 

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/slime-taoshite-300-nen-shiranai-uchi-ni-level-max-ni-nattemashita-spring-2021
- API: https://courcast.com/api/public/titles/slime-taoshite-300-nen-shiranai-uchi-ni-level-max-ni-nattemashita-spring-2021
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*