Issei takes Hiroshi, Kaname, Isuzu, and Mana to the river for a picnic. Kaname and Isuzu go for a swim, and Isuzu accidentally drenches Hiroshi, using the opportunity to flirt with him. Issei lends Hiroshi his sweater, but when it is returned Issei begins acting strangely towards him. When Hiroshi develops a cold, Kaname directs him to JÅga hospital, where he encounters Shigetsu Kushinada, Nemuru's uncle and JÅga's head doctor, who prescribes him pills and takes a blood sample to run tests on. On the way out of the hospital, Hiroshi runs into Issei, who had followed him...