Nyanko-sensei, also known as Madara, encounters two children after getting separated from his current owner, Takashi Natsume. Despite his initial reluctance to deal with kids, Nyanko-sensei realizes the danger they face from the forest youkai and chooses to guide them to safety. Yet, managing the mischievous and inquisitive youngsters tests even the formidable abilities of Nyanko-sensei, highlighting the unexpected trials of caring for children.