I've Been Killing Slimes for 300 Years and Maxed Out My Level

I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021)


  • Genre: Animation, Comedy, Sci-Fi & Fantasy
  • First Air Date: 2021-04-10
  • Last Air Date: 2025-06-21
  • Total Seasons: 2
  • Total Episodes: 24
  • Status: Ended
  • Episode Runtime: 24 min.
  • Production Company: REVOROOT
  • Production Country: Japan
  • Networks: AT-X
star 7.9/10
From 227 Ratings

Summary

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?!

Trailer

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I've Been Killing Slimes for 300 Years and Maxed Out My Level Seasons

Season 1

First Air Date: 2021-04-10
12 Episodes

Season 2

First Air Date: 2025-04-05
12 Episodes

I've Been Killing Slimes for 300 Years and Maxed Out My Level Episodes

Title Air Date Duration
Season 1Episode 1I Maxed Out My Level30 min
Season 1Episode 2Along Came the Daughters30 min
Season 1Episode 3Along Came an Elf30 min
Season 1Episode 4We Went to a Dragon's Wedding30 min
Season 1Episode 5A Ghost Appeared30 min
Season 1Episode 6Along Came a Leviathan30 min
Season 1Episode 7We Beat Up a Demon King30 min
Season 1Episode 8A Fake Witch of the Highlands Appeared30 min
Season 1Episode 9My Daughter Turned Into a Slime and Couldn't Change Back30 min
Season 1Episode 10A Minstrel Came to Town30 min
Season 1Episode 11I Ate a Mushroom and Turned Into a Child30 min
Season 1Episode 12We Opened a Coffee Shop30 min
Season 2Episode 1Along Came a Goddess30 min
Season 2Episode 2We Searched for an Undead30 min
Season 2Episode 3We Went to Beelzebub's House30 min
Season 2Episode 4We Went Looking for a Mandragora30 min
Season 2Episode 5I Became Mama Yufufu's Daughter30 min
Season 2Episode 6Laika Entered a Martial Arts Tournament30 min
Season 2Episode 7I Met a Pine Spirit30 min
Season 2Episode 8We Went Swimming in the Sea30 min
Season 2Episode 9We Met the Evil Spirit Queen30 min
Season 2Episode 10We Went to the Demon King's Birthday Party30 min
Season 2Episode 11I Battled a Traditional Goddess30 min
Season 2Episode 12We Opened the Coffee Shop Again This Year30 min
  • Aoi Yuuki

    as Azusa (voice)
  • Kaede Hondo

    as Laika (voice)
  • Sayaka Senbongi

    as Falfa (voice)
  • Minami Tanaka

    as Shalsha (voice)
  • Sayaka Harada

    as Halkara (voice)
  • Manami Numakura

    as Beelzebub (voice)
  • Riho Sugiyama

    as Rosary (voice)
  • Azumi Waki

    as Fratorte (voice)
  • Yukari Tamura

    as Pecora (voice)
Sound Aguri Oonishi Theme Song Performance
Sound Yui Ogura Theme Song Performance
Directing Kunihisa Sugishima Series Director
Writing Naohiro Fukushima Series Composition
Visual Effects Hikaru Kodama Character Designer
Sound Keiji Inai Original Music Composer
Writing Kisetsu Morita Novel
Art Benio Original Series Design
Visual Effects Benio Character Designer