Nike receives a letter from the Principality of Rain, which says that Nike's grandmother Tohara collapsed and therefore wants to see Nike in case she should die. Nike remains silent about this until after she performs a rain summoning for the Sun King's guests. Livius points out that her rain wasn't as good as it usually was, which leads to Nike confessing what was written in the letter. Livius immediately cancels all of their plans so that he, Nike and his butler Neil can travel to the Principality of Rain to see Nike's grandmother together. However, it turns out that her grandmother is okay and only threw out her back...