After Miss Shamour tells the girls about Kanata's younger sister, Hope Kingdom's princess, student vice-president Seira Azuma holds a treasure hunt, in which the students are split into teams to search for a treasure hidden in the girl's dorms. As the girls spend time with their different teams, they learn about how much they've changed over the past few months, which turns out to be the treasure they were searching for. Just then, Shut attacks with a Rice Cooker Zetsuborg, but the Cures manage to defeat it in order to protect their beloved dorm. Meanwhile, Twilight finds herself drawn towards the Hope Kingdom, where she comes across a bottle of Princess Perfume.