Animated by studio REVOROOT and directed by Nobukage Kimura, this isekai series begins with introducing a 27-year-old office worker who dedicates herself to her job and literally dies from overwork. When she gets to the afterlife, she meets a sympathetic goddess who decides to send her to another world where she can live a simple and carefree life in the body of an eternally youthful and immortal witch.
Taking on the name Azusa, the witch makes a living for the next 300 years by killing slimes and making medicines from herbs. One day, after a couple of centuries of this, she learns she has maxed out her level and suddenly has different creatures appearing on her doorstep to challenge her including adventurers, a dragon, slime spirits, elves, and so much more!
With so many streaming options available to us, it's difficult to know where to look to watch great series such as this one which raises the question, where can you watch I've Been Killing Slimes for 300 Years?
Is I've Been Killing Slimes for 300 Years on Crunchyroll, Netflix, Hulu, or Funimation in English Sub or Dub?
As of April 2021, the only legal place to watch this series is on Crunchyroll. No other streaming site including Funimation, Netflix, or Hulu has announced plans to stream this series. It's also worth noting that as of April 2021, the only version available to fans is in the original Japanese with subtitles. Crunchyroll has announced plans to release multiple language dubs in the future, including English, but a firm release date has yet to be announced.
I've Been Killing Slimes for 300 Years is adapting a light novel that has also been adapted into a manga series. The light novel series is written by Kisetsu Morita and illustrated by Benio and has been published since 2017. The series is up to 16 volumes in Japan and 9 volumes in English. Meanwhile, the manga adaptation done by Yusuke Shiba is up to 8 volumes in Japan and 5 volumes in English.