Iruma, an ordinary human who was sold to the devil by his parents. He is currently the grandson of the Three Great Demons and the Great Demon Sullivan, and a second-year student at the Demon School Babirus.
He originally decided to survive in the demon world, but due to an accident in magic class, he returned to the human world.
... But it doesn't seem to be the human world where I was born. There are many ugly monsters here, and the monsters in the demon world are much prettier than these.
Out of self-protection, I killed one Iruma, and ended up saving the students of the Magic College! ?
In short, in order to be able to support himself, Iruma finally joined the Curse College and became a second-year student.
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Megumin: I am Megumi Fushiguro, a student at the Tokyo Metropolitan Conjuring College and a second-level conjurer. Thank you for saving me and my classmates.
Iruma: Eh? ! You don't need to thank me... Well, I'm Iruma, a second-year student at the Demon School Babirus, rank "5".
Megumin: Rank? Demon? It can't be a curse spirit!
Gojo Satoru: Why didn't Iruma-san say his name?
Iruma: My name is Iruma. Iruma is a given name, not a surname. I don't have a surname.
Gojo Satoru: Why?
Iruma: Well... Because my grandfather used to be SD and didn't have a surname.
Gojo Satoru: So it's like... Huh? !
In short, this is the adventure history of Iruma, a rank "5" demon, in the new world! Whether it's to save friends or return to the demon world, I will move forward bravely!
Purpose: What you know may not be true