Zoku Natsume Yuujinchou is the second season of Natsume Yuujinchou. Like its predecessor, it follows Natsume Takashi, a boy who has been able to see youkai since childhood, and his loyal youkai bodyguard, Madara, nicknamed Nyanko‑sensei. Natsume attempts to return the names written in his Book of Friends, he inherited it from his grandmother Reiko, to the youkai of his village. Along the way, he encounters friendly youkai, hostile ones who wish to steal the Book, and others who seek to kill him. Through these adventures, Natsume learns more about himself and his relationship with youkai.