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As Shinobu, a nurse who worked at Dr. Takashiro's clinic, pieces together clues about his descent into despair, Chizuna and Kazuna try to resume their normal lives. Kazuna discloses the truth behind the need to avoid Yaegashi. Meanwhile, Chizuna finds an unexpected friend in Sasaki, who doesn't seem bothered by her illness. But back home, Chizuna confesses to having disturbing dreams about Mother--a woman she hardly remembers, but whose fate she fears will lead her to a heart of darkness...