Have a Katsu-don, Ms. Elf. Marie speculates that her world could one day become as great as the modern world. Seeing this as his chance to grow closer to Marie, Kazuhiro promises to take care of her if she cannot return home. They return to his apartment and he has to teach her how the bathtub works. He explains that until he brought Marie, he was only able to transport food and drink, and she speculates that some entity is responsible for his going back and forth. Realizing that when he sleeps he will wake up back in the dragon's nest, they make a plan and then sleep while touching...