On a secluded mountain, a mysterious entity exists that the locals are warned to go nowhere near...

Dara-san, curious about Kaoru and Hinata's lives, decides to stealthily slither around to see what's going on.

Dara-san's wardrobe expands as she teaches Kaoru and Hinata about treading into supernatural territory.

An unexpected new student arrives in Hinata's class.

Hinata has a birthday, and her mom, Chiyo, reminiscences about her encounters with the mountain's guardian.