Natsume's Book of Friends: Becoming a Sora Chan

Natsume, who lives a busy life between people and monsters, accidentally reunited with his former classmate Yuuki, and recalled the bitter memories of being haunted by monsters. At this time, Natsume met the woman Tsumura Yoshie who appeared in the memory of the monster whose name was returned. She met Reiko and now lives a stable life with her only son Mukuo. Natsume's mood became calmer through communicating with them. But there seems to be a mysterious monster lurking in the town where the mother and son live. After returning from investigating the matter, the "demon seed" that parasitized the cat teacher's body grew into a tree and bore fruit overnight in the Fujiwara family's courtyard. And the cat teacher who ate a fruit similar in shape to himself split into three pieces——! ?