Sei is angry at Aisha & Rinrin after they ate her food at a restaurant. While traveling through a foggy mountain, they lose track of Sei & Aisha sprain her leg after falling into a ditch. After coming to mansion, they are helped by Shibaki and her student Kömei. Rinrin is jealous of Kömei since Aisha praises her for her kindness, intellect and her many skills. Later Shibaki tells Kömei to find a herb in the mountains which can heal Aisha sprain leg, which Rinrin decides to secretly follow, hoping to get it before her...