Episode 7 Buchio and Chiaki travel to the ocean, where they see an umibozu. Chiaki confides that Kazuhiko has been depressed since his wife's passing and is overly fixated on his own death. This causes Buchio to realize that, as nekomata have longer lifespans than humans, he will outlive his family, which makes him depressed. Chiaki ruminates on Kazuhiko's relationship with his wife, beginning a flashback of their life together. His wife's ancestor was a basho spirit, causing her to become terminally ill when the basho plant died...