Tanjiro, Inosuke, and Zenitsu were rescued by Shinobu and Tomioka after their mission on Mt. Natagumo. While the three swordsmen are taking their sleep, a sudden noise and a blinding light sent them to a mysterious room alongside with the Hashiras and their swordsmiths. What would they react to see Tanjiro's previous life and how he became one of the greatest Demon Slayers in the present.

Class 1-A is just having a normal day in the dorms after class until they're kidnap- I mean teleported into a theater where they, some of their teachers, the big 3, Eri, and one other person watch the story of a Middle School Esper and his journey. (Takes place after the school festival arc)

After John brutally beat the safe house once, he stopped caring. He had already lost his best friend and didn't really have the energy to care about anything. After his third and fourth year finished at Wellston, he spent the summer at New Bostin with his Dad. During the summer, he made amends with Claire and Adrion. After that, he went back to Wellston to go into the top university... Wellston University. Unbeknownst to him, the rest of the royals also decided going to the best university was a good idea.

Earth and Mewni have now merged into one; all because of a rebel mewman princess and human safe-kid's love for one another (and magic, of course)! Now that they live in...well, sort of a brand new world, Star and Marco have many new adventures in store! However, one question remains. Are they ready for what is coming their way?