
Iruma and the Misfit Class face their biggest challenge yet as they prepare for the Music Festival, where all thirteen students must reach Rank 4. With a mysterious classmate who cannot afford to stand out, the group must find a way to succeed while keeping his identity hidden. As Iruma's life in the Netherworld grows increasingly eventful, he encounters new demons, unexpected challenges, and opportunities that push him closer to the heart of demon society. From the Music Festival and its aftermath to the Dinner of the Thirteen Crowns and the glamorous Dem-Dol Games, Iruma's friendships, ambitions, and growing reputation continue to shape his extraordinary journey.

The Misfit Class find out they need to compete in the Music Festival and find out they had another student.

The Misfit Class try to figure out what kind of performance they're going to do for the Music Festival.

The Misfit Class decide to do the Hell Dance at the Music Festival and Kalego coaches Iruma and Purson.

Purson has disappeared, but Iruma doesn’t give up and decides to talk with him.

Suzuki Iruma and all thirteen students of the Misfit Class must perform to reach Rank 4 at the Music Festival.

Iruma and the rest of the Misfit Class perform their rendition of "Lilith's Carpet."

Iruma and the Misfit Class learn the results of the Music Festival and Purson has a chat with his father.

Asmodeus goes to fetch something from the club room and runs into someone unexpected.

Iruma explains friendship to the class, while Lead seeks advice on getting closer to Elizabetta.

Ameri goes to the Deviculum and contemplates her current distance with Iruma.

Iruma-kun celebrates his birthday for the first time in the netherworld.

Iruma visits the teacher dorms and Naphula joins the girl squad.

Jazz tries to deal with his familiar and Lead teaches Asmodeus how to play video games.

The Misfit Class has a party at Iruma's home and then Iruma helps Opera perform their daily duties.

The Thirteen Crowns discuss their future and nominate candidates for the next Demon King.

The Dinner of the Thirteen Crowns occurs and then Iruma, Asmodeus, and Clara contemplate being second-years.

Both Gyari and Kuromu make shocking announcements at the Dem-dol Games.

Iruma goes to visit Sabro to find out more about Demon Kings.

The new school year finally begins at Babyls.