Welcome to Demon School! Iruma-Kun: Irumafia Edition 4 -- Osamu Nishi, Paperback

Iruma's next challenge: go undercover at a black market auction?!

Shocking news of a traitor scurrying around within the Babel mafia syndicate puts Kalego on the hunt for the rat. Meanwhile, Iruma finds out where Clara's little brother Urala is being kept, and decides to go all in on his most dangerous operation yet: an undercover mission at a black market auction!!

Author: Osamu Nishi
Publisher: Vertical Comics
Published: 5/19/2026
Pages: 208
Binding Type: Paperback
Weight: 0.48 lbs
Size: 7.41" H x 5.44" L x 0.72" W
ISBN: 9781647295608

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