As Summer rolls in, Miyuki heads down to the beach to help out Akane's okonomiyaki stand, who is competing against Nao's shaved ice stand being assisted by Reika. Even after taking a break, Akane and Nao's fierce rivalry leads them to continue competing with each other as Akaoni appears for a day at the beach and instead extracts negative energy from the beach-goers. Akaoni then summons a Shaved Ice Super Akanbe with Akane and Nao letting stubbornness cause their friends to get captured...