The Nines visit Squad 13 on Mistilteinn causing them to feel less abandoned. Meanwhile, Hiro has started growing horns making him more like his beloved. The Nines discover a book about human reproduction which Kokoro was hiding. Meanwhile, Kokoro makes a pass at Mitsuru which confuses him, though a talk with Hiro helps him realize his feelings for her. Later, when the Nines question Kokoro about possessing forbidden knowledge, she expresses the desire to bear a child...