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Moe Nishinosono interviews Shiki Magata, who secludes herself in the lab established by her parents on Himaka island, via video conference. At Sōhei Saikawa's office, Nishinosono meets Setsuko Gidō, whose familiarity with Saikawa annoys Nishinosono. Nishinosono later tells Saikawa, Momoko Kunieda, and Fukashi Hamanaka about the interview with Magata. Afterward, intending to meet Magata again, she suggests the campground on Himakajima island for Saikawa's upcoming seminar group trip.