The web novel was the original source material that was told the main story from 2013 to 2016. The web novel has a lot of deviations from the other media adaptations due to the web novel essientially being the rough draft of the light novel and every other piece of media was based on the light novel. Fuse said that up until the labryinth arc it is really similar with the exception of the Charybdis arc. There is english translations but only a specific translation team recieved permission from the author for their unofficial translations.
Click for the Correct Unofficial English Translation.
The light novel was started its publication in 2014 after the success of the Web Novel. The light novel was published under Micro Magazine with illustrations by Mitz Vah. The light novel has gained international success releasing a total of twenty-two volumes as of the beginning of 2025 and distributed in North America by Yen Press. The light novel allowed for the anime and manga to become what it is today. There are some unofficial translation but for recent volumes the translations are subpar.
Click for the Official Volumes
The manga is currently being adapted from the light novel and the illustrator is Taiki Kawakami. He has been releasing chapters since March 2015 and the while the update schedule is not the fastest there is currently 28 volumes. The manga typically realeases a chapter about once a month so a lot of fans transition from the anime straight to the light novel or the manga to the light novel. There is some interesting
ways to read it free but there is a place to pay for chapters.
Click here for the Legal chapters
The anime started airing at the beginning of April 2018 and has gotten three seasons and a movie. It has also supposedly been greenlit for a fourth season and another movie. The anime is what got me into the media franchise. The studio that produces the anime Eight Bit doesn't have the best reputation but the first season anime isn't too bad. The third anime was definitely rocky and their reputation has gone down even more with their other show Blue Lock
. The anime can be accessed through crunchyroll and other sites.