Clashing Seaside Haruno reveals the key leads to a hidden basement underneath the lighthouse that she and her grandfather had turned into a secret hideout, and offers it to Yu, though Yu insist that the hideout be used by all of them. The next day, Umika and her friends go shopping for the materials for their newest rocket, which also turns out to be the very first time Umika has gone out with friends. When the day of their duel arrives, Umika and Matataki agree that they have two chances to launch their rockets, using the best results...