It's been a long and perilous road... but now it's time for an all-out attack! Every single hero, every single villain, all clashing! The plan was to separate the villains, take them out separately! But... Deku was accidentally dragged to Toga's spot, a deserted island! Can he make it back to the U.A. Flying Fortress in time to fight Shigaraki?! Allies are lost, bonds are found, villains and heroes alike are massacred, Support Course students are keeping the fortress together... who will win?!