After Natsume returned Amana’s name, she accused him of stealing her ring.  He has three days to find and return it before she burns down his house.  To make matters worse, the ring is trapped in the hair of a migratory youkai, and Nyanko-sensei is unable to use his powers.
Even those little Karu could face a youkai,
Si ayakashis tan pequeños 
como los Karu unen fuerzas
Incluso ayakashi tan pequeños como los Karu, si unen sus fuerzas,
Juntos, até mesmo pequenos youkai como os karu