The entire joke is that these characters are too competent at being heroes for a show this stupid, and the show knows it, every setup is a Dragon Quest parody that collapses the second actual class dynamics touch it. Chibi art style keeps them recognizable while letting the comedy breathe, and the self-aware video game logic means nothing needs to make sense as long as the bit lands. This is comfort food for fans who just want to spend more time with these people doing ridiculous things in a world designed to fall apart.
Koro-sensei has been reincarnated as the Demon King, and the students of class 3-E find themselves cast as unlikely heroes tasked with stopping him. Instead of classrooms, they now train at Kunugigaoka Magic School, where swordsmanship and sorcery replace traditional academics. What should be a straightforward quest for justice becomes anything but when you're dealing with a villain who genuinely cares about his students' growth and development. The tone shifts from action-adventure into pure comedy as these misfit heroes stumble through increasingly absurd magical challenges. Their teacher-turned-enemy remains oddly invested in their success, creating a clash between their mission and their genuine affection for the Demon King. Each student brings their own magical quirks and personality clashes to the party, turning what could have been a serious fantasy epic into something far more chaotic and entertaining. This is for viewers who love absurdist humor wrapped around adventure tropes, or anyone who enjoyed the original series and wants to see these characters in a completely different context where the rules have been delightfully scrambled.