
I've Been Killing Slimes for 300 Years and Maxed Out My Level
On AT-X
A cozy, whimsical isekai comedy about an immortal witch who accidentally becomes the world's strongest through centuries of mundane slime-killing, centered on found family and the collision between her desire for peace and her newfound legendary status.
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?!
Essence
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Same territory, far fewer people have seen it.

















































