 While the girls feel sorry for Otaru and appreciate his attempt to be considerate, they begin to feel that they are emotionally mature enough to handle the situation, whoever he might choose.Upon reaching Xian, Otaru comes down with a serious fever called the “sleeping fever,” which the marionettes are told can only be cured by a rare moss that grows in the mountains.In the process of looking for the moss, the girls become separated and are attacked by mysterious robot assailants, which turn out to be working for Doctor Hess and his Xian associate.