Yufuko begins to study to become a nurse, and becomes friends with Mayu, a girl with the same illness as the deceased Koji, and her brother, Shigeru. After Mayu's death, Yufuko scolds and encourages Shigeru, who has become desperate. Shigeru is attracted to Yufuko, but Yufuko still sees Koji in her heart. Then, Yufuko is involved in an accident while protecting a passing boy, and her dream of becoming a nurse is cut short...