As the others go to restock their supplies, Kanata spends the afternoon music training with Rio. Suddenly, Kanata comes down with a fever, reminding Rio of when her mother fell ill. Out of medicine, Rio gets help from a priestess named Yumina, who diagnoses her with three-day fever and treats her. When Kanata wakes up, she tells Rio that she has always been useless and has caused troubles for others...