The Hero Life of a (Self-Proclaimed) "Mediocre" Demon! Volume 3

Chrono, a young jinn from the countryside, continues to explore the dungeons of the previous Demon Kings while taking classes at the Demon King’s castle.  Now, he has to fight a powerful being called a Kijin that lives inside his good friend and vampire classmate Sofia...?! This is the third volume of the popular fantasy school life light novel that’s been comicalized!