description About
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?!
Info
- verified Status: Ended
- person By: Unknown
- calendar_month Release Date: 2021-04-10
- update Lastly Aired: 2025-06-21
- video_camera_front Companies REVOROOT, Nippon Columbia, Hakuhodo DY Music & Pictures, BS11, STUDIO MAUSU, AT-X, THE KLOCKWORX, movic, DMM GAMES, Bushiroad, Medicos Entertainment, Square Enix, SB Creative
- list_alt Seasons & Episodes: 2 Seasons, 24 Episodes
- timer Episode Runtime: 24 Mins/Episode
- star Rating: 7.9 / 10
- favorite Likes: 229 Likes
- visibilityViews: 29 views
-
starUser Ratings:
theaters Trailers
Other Videos
![Trailer [Subtitled]](https://img.youtube.com/vi/_l5Wuv-2Pf4/default.jpg)
Trailer [Subtitled]
smart_display Cast
Aoi Yuuki
Azusa (voice)
Kaede Hondo
Laika (voice)
Sayaka Senbongi
Falfa (voice)
Minami Tanaka
Shalsha (voice)
Sayaka Harada
Halkara (voice)
Manami Numakura
Beelzebub (voice)
Riho Sugiyama
Rosary (voice)
Azumi Waki
Fratorte (voice)
Yukari Tamura
Pecora (voice)
groups Crew
Aguri Oonishi
Theme Song Performance
Yui Ogura
Theme Song Performance
Kunihisa Sugishima
Series Director
Naohiro Fukushima
Series Composition
Hikaru Kodama
Character Designer
Keiji Inai
Original Music Composer
Kisetsu Morita
Novel
Benio
Original Series Design
Benio
Character Designer
image Images
Seasons
All seasons
2 Seasons in total-
I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 1
After many years of being a corporate slave, Azusa Aizawa abruptly passes away due to severe exhaustion. Seemingly headed for the afterlife, she meets ...
12 Episode(s) -
Stream With 
I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021) is currently available to stream in different countries. Streaming sources are provided by JustWatch. JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information.
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