Welcome to Demon School! Iruma-Kun: Irumafia Edition 4

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!!