Empathy.Shortly after the Fourth Gauna War, Yure Shinatose managed to integrate photosynthesizing with the remaining humans and restore population of Sidonia to 500,000 in the course of 100 years, roughly six generations. In the present, Nagate and Izana meet Numi Tahiro at the Extraterrestrial Research Division (ERD) to see how Placental Shizuka would react in Nagate's presence, but she instead reacts violently while in containment. Meanwhile, Norio, who no longer can pilot due to psychological distress, witnesses through the security cameras that Kobayashi, Yure and Ochiai have entered a restricted area. Kobayashi and Yure unlock access and connect to the auxiliary brain of Ochiai, revealed as the clone, putting him to sleep afterwards. As both Izana and Yuhata display affection towards Nagate, he is called back by Numi on many occasions to run more tests with Placental Shizuka, who momentarily shows less hostility and more mimicry towards Nagate over time. Also, Nagate is promoted to squad leader by Seii and leads his squad on several successful battles against the Gauna. Later, Numi analyzes that Placental Shizuka would look unerringly at the Kabizashi storage, far off in another part of Sidonia, seemingly scared.