戦慄の魔術師と五帝獣
[b]戦慄の魔術師と五帝獣[/b] ([b]Senritsu no Majutsushi to Goteijuu[/b], lit. The Sorcerer of Dread and the Five Emperor Beasts)

A Japanese light novel series written by "Totsu Akita":https://twitter.com/totsuakita and illustrated by [[Shirako Miso]].

It was initially posted on Shousetsuka ni Narou in 2014 and has been published by Takarajimasha in 2015.
senritsu no majutsushi to goteijuu