I like Natsume and love Nyanko-sensei, but this OVA lacked the traditional mellow, melancholic beauty of the series and replaced it with the exploits of two *epically* irritating children.
I'd have given this twice as many points if Nyanko-sensei had eaten them.
This episode feels aimed at a much younger viewer, (like, *much* younger; do sperm have televisions?) and relies on (a lot of) repetition and slapstick.
If you want a break from 'all the feels' you'll get it here; your heart won't be broken by a lovesick yōkai turning into fireflies, but your ears may be broken by the combined wailing of two larval humans.
There are cameo moments for all the gang as Natsume meets each one and asks the same question and gets the same answer: Tanuma (who's wandering through those woods again, he loves them woods), Taki and Sasada (the latter weirdly losing her sh*t over chocolate) and Natsume's school friends: the tall one, and the pervert.
The actor guy - exorcist - lizard face, with the bad hat (Natori?) was in it too - but only long enough to advertise the same dodgy brand of (evidently crack-filled) chocolate that Sasada was pushing earlier - which was also the same chocolate that had caused the stupid kids to wander into the stupid forest in the first place.
This episode was sponsored by PAKURA CHOCO!
The crack-filled snack!