Oorai may have been saved after the university match, but a hidden and much more serious threat explains why Miho was able to transfer into a school in it's final year of operation. Fortunatly Anchovy discovers it. But the two attempts in the last few months only failed due to lucky circumstances.
In the anime, Between the end of the ceremony, and the end of the anime, Winner stopped obsessing over Karin, and Elda decided that she has to face something she has a tendency to hide from.