A special time just for the two of them, spent together in their secret hideout. Natsuki and Urea have found a place where no one can disturb them, a sanctuary where they can cherish their time alone together. Here, they move freely, and their emotional bond grows ever closer. Their feelings deepen gradually in the quiet moments, as they slowly explore the emotions stirring deep within their hearts. This secret hideout is their own private world, a place that fills their hearts simply by existing.