While on the run from a fearsome youkai, Natsume accidently sits on a tiny mushroom youkai.  The mushroom youkai is incensed, as it has a meeting with a 'noble person' later in that day.  It insists on Natsume helping it prepare for its meeting with this 'noble person', and Natsume finds himself drawn into the strange story of its past...
But if we make some kind of offering,
Aunque dicen que si le das una ofrenda
puede cumplir un deseo.
Mas se fizermos uma oferenda,