The Café Terrace and its Goddesses 15

While staying at Familia to discover the true form of the nostalgic dish that Grandma Sachiko made, Hayato's fiancée(?) Princess Olivia thanks everyone with a home-cooked meal, but this only serves to ignite the rivalry between her and Shiragiku, who challenges her to a cooking showdown! With a fiancée from another land, the mysterious flavor of nostalgia, and another trip to the beach... It's turning out to be an unforgettable summer!