Isekai Quartet 2

Class 2 has completed every assignment thrown at it, yet school is still not over and nobody has found a way back to their original worlds. Ainz, Tanya, Kazuma, Subaru, and their classmates continue their strange student lives, now far more accustomed to one another than when they first arrived. Then a new group of transfer students appears, including Shield Hero Naofumi with Raphtalia and Filo, adding another set of personalities and worlds to the mix. Lessons, activities, rivalries, and ordinary school problems become anything but ordinary when heroes, villains, soldiers, and adventurers from incompatible stories are forced to share the same classroom.