The contract between a student and a teacher is considered a grave "accident," but because the summoning ritual is absolute, the bond cannot be easily broken.

"Familiars Summoned!" serves as the final hook that solidifies the show's "fish-out-of-water" comedy. It establishes that despite Iruma’s desire to remain unnoticed, his "human nature" and Sullivan's meddling will constantly thrust him into the spotlight of the Netherworld.

Welcome to Demon School, (Y/N)-chan! - Chapter 2 ... Chapter 2: Familiars Summoned!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ www.deviantart.com

Because Iruma is a human living in a world of demons, his "blood" and the summoning paper (which featured his guardian Sullivan's crest) reacted unpredictably:

If you are looking for fan-created variations or "X Reader" stories based on this specific chapter, you can find them on creative platforms like DeviantArt or Wattpad . If you'd like to dive deeper, I can look into: and limitations Other students' familiars (like Clara’s or Asmodeus’s) Summary of Chapter 3 and the next major plot points Summer Rain 18 by Kashiaka on DeviantArt

This event is the primary catalyst for the series' early humor and plot development:

This incident cements the lifelong (and hilarious) enmity Kalego feels toward Iruma, as the teacher is legally forced to protect the student he despises. 📖 Significance in the Series

While Iruma is actually terrified, the rest of the school views this as a "Power Move." Summoning a high-ranking demon teacher as a servant makes Iruma look like an incredibly powerful and arrogant prodigy.